{"title":"Kidde Mains Smoke \u0026 Heat Detector Kits","description":"","products":[{"product_id":"kf20x2-kf30","title":"Kidde Firex 2x KF20 Optical Smoke \u0026 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 2x KF20 Optical Smoke \u0026amp; 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2x Mains Powered Optical Smoke Alarm (KF20):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkailine battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 213g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20-DATA-SHEET_tcm512-112321.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30%20Data%20Sheet_tcm512-112324.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798375837794,"sku":"KF20x2+KF30","price":58.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20x2-KF30-Shopify.jpg?v=1709522344"},{"product_id":"kf20-kf30","title":"Kidde Firex 1x KF20 Optical Smoke \u0026 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 1x KF20 Optical Smoke \u0026amp; 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Optical Smoke Alarm (KF20):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkailine battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 213g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20-DATA-SHEET_tcm512-112321.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30%20Data%20Sheet_tcm512-112324.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798375805026,"sku":"KF20+KF30","price":42.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-KF30-Shopify.jpg?v=1709522343"},{"product_id":"kf20x3-kf30","title":"Kidde Firex 3x KF20 Optical Smoke \u0026 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 3x KF20 Optical Smoke \u0026amp; 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3x Mains Powered Optical Smoke Alarm (KF20):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkailine battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 213g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20-DATA-SHEET_tcm512-112321.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30%20Data%20Sheet_tcm512-112324.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798377705570,"sku":"KF20x3+KF30","price":74.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20x3-KF30-Shopify.jpg?v=1709522350"},{"product_id":"kf20x4-kf30","title":"Kidde Firex 4x KF20 Optical Smoke \u0026 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 4x KF20 Optical Smoke \u0026amp; 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4x Mains Powered Optical Smoke Alarm (KF20):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkailine battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 213g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20-DATA-SHEET_tcm512-112321.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30%20Data%20Sheet_tcm512-112324.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798377771106,"sku":"KF20x4+KF30","price":90.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20x4-KF30-Shopify.jpg?v=1709522350"},{"product_id":"kf20x5-kf30","title":"Kidde Firex 5x KF20 Optical Smoke \u0026 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 5x KF20 Optical Smoke \u0026amp; 1x KF30 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5x Mains Powered Optical Smoke Alarm (KF20):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkailine battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – 9V Alkaline back-up battery supplied as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with 9V Alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 213g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20-DATA-SHEET_tcm512-112321.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30%20Data%20Sheet_tcm512-112324.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798378000482,"sku":"KF20x5+KF30","price":106.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20x5-KF30-Shopify.jpg?v=1709522351"},{"product_id":"kf20r-kf30r","title":"Kidde Firex 1x KF20R Optical Smoke \u0026 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 1x KF20R Optical Smoke \u0026amp; 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Optical Smoke Alarm (KF20R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with built in rechargeable lithium battery back up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with rechargeable Lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 180g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years (including battery)\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy \/ Magnesium Composite\u003c\/li\u003e\n\u003cli\u003eOxide cells (ML2430)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20R%20Data%20Sheet_tcm512-112323.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30R%20%20Data%20Sheet_tcm512-112326.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798378033250,"sku":"KF20R+KF30R","price":94.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-R-KF30-R-Shopify.jpg?v=1709522352"},{"product_id":"kf20rx2-kf30r","title":"Kidde Firex 2x KF20R Optical Smoke \u0026 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 2x KF20R Optical Smoke \u0026amp; 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2x Mains Powered Optical Smoke Alarm (KF20R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with built in rechargeable lithium battery back up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with rechargeable Lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 180g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years (including battery)\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy \/ Magnesium Composite\u003c\/li\u003e\n\u003cli\u003eOxide cells (ML2430)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20R%20Data%20Sheet_tcm512-112323.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30R%20%20Data%20Sheet_tcm512-112326.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798379343970,"sku":"KF20Rx2+KF30R","price":139.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-Rx2-KF30-R-Shopify.jpg?v=1709522358"},{"product_id":"kf20rx3-kf30r","title":"Kidde Firex 3x KF20R Optical Smoke \u0026 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 3x KF20R Optical Smoke \u0026amp; 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3x Mains Powered Optical Smoke Alarm (KF20R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with built in rechargeable lithium battery back up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with rechargeable Lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 180g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years (including battery)\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy \/ Magnesium Composite\u003c\/li\u003e\n\u003cli\u003eOxide cells (ML2430)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20R%20Data%20Sheet_tcm512-112323.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30R%20%20Data%20Sheet_tcm512-112326.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798379442274,"sku":"KF20Rx3+KF30R","price":184.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-Rx3-KF30-R-Shopify.jpg?v=1709522358"},{"product_id":"kf20rx4-kf30r","title":"Kidde Firex 4x KF20R Optical Smoke \u0026 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 4x KF20R Optical Smoke \u0026amp; 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4x Mains Powered Optical Smoke Alarm (KF20R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with built in rechargeable lithium battery back up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with rechargeable Lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 180g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years (including battery)\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy \/ Magnesium Composite\u003c\/li\u003e\n\u003cli\u003eOxide cells (ML2430)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20R%20Data%20Sheet_tcm512-112323.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30R%20%20Data%20Sheet_tcm512-112326.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798379638882,"sku":"KF20Rx4+KF30R","price":229.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-Rx4-KF30-R-Shopify.jpg?v=1709522360"},{"product_id":"kf20rx5-kf30r","title":"Kidde Firex 5x KF20R Optical Smoke \u0026 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Firex 5x KF20R Optical Smoke \u0026amp; 1x KF30R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5x Mains Powered Optical Smoke Alarm (KF20R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nOptical alarms are for use in escape or circulation routes and in areas where there is a danger of ignition of furniture and surroundings by cigarettes producing slow, smouldering fires.\u003cbr\u003e\nThis mains-powered unit should be installed by a qualified electrician and can be used throughout the home, except in the kitchen where a Firex Heat Alarm is recommended. These alarms comply with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF20R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with built in rechargeable lithium battery back up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 242g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified Sensor Optical, circular lateral chamber with insect-resistant width slot entry portals and added bug screen mesh\u003c\/li\u003e\n\u003cli\u003eChamber Size 35mm outside diameter x 16mm depth approximate (external)\u003c\/li\u003e\n\u003cli\u003eDetection Band Infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (522\/6LR61)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - 3 pulses - space - 3 pulses), soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eDust Protection In-built foam gasket in rear of alarm to prevent dust ingress into rear of the alarm\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing smoke (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 15 minutes)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (KF30R):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered heat alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat.\u003cbr\u003e\nOnce interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.\u003cbr\u003e\nMains-powered heat alarms can be used throughout the home in humid or dusty environments where an optical or ionisation smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages.\u003cbr\u003e\nThe Firex range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInterlink with up to 23 Firex hard-wired alarms – all alarms sound if danger is detected\u003c\/li\u003e\n\u003cli\u003eAlarm memory – identifies source unit within interconnecting network\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eMains operation – Built-in rechargeable Lithium back-up tamper-proof battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel KF30R\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains-powered with rechargeable Lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to + 40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 127 x 127 x 39mm (not including heat sensor guard)\u003c\/li\u003e\n\u003cli\u003eBracket Dimensions 133 x 133 x 6mm\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 180g\u003c\/li\u003e\n\u003cli\u003eWarranty 6 years (including battery)\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2: 2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal Resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested and unit beeps (chirps) if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption \u0026lt; 15mA\u003c\/li\u003e\n\u003cli\u003eConnection Push-in\/snap-fit type connector with 150mm long flying leads (supplied)\u003c\/li\u003e\n\u003cli\u003eBattery Back-up Non user-replaceable 3 x 3V rechargeable Lithium Aluminium Alloy \/ Magnesium Composite\u003c\/li\u003e\n\u003cli\u003eOxide cells (ML2430)\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) with soldered contacts\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes approx once every five minutes = normal operation\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds)\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 Firex and Kidde ‘Slick’ units (smoke, heat and CO) can be hardwire interconnected with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wired Remote Test and Hush Unit (REMTH) allows test and hush of interlinked units\u003c\/li\u003e\n\u003cli\u003eOptional Pattresses SMK23RU also has integral switchable relay for operating remote devices\u003c\/li\u003e\n\u003cli\u003eSMK4896 – Surface mounting base for added ease of installation\u003c\/li\u003e\n\u003cli\u003eFixing Mounting bracket ring supplied with two ‘T’ slot fitting option\u003c\/li\u003e\n\u003cli\u003e57mm spacing to a maximum of 90mm for standard screw fittings on back boxes\u003c\/li\u003e\n\u003cli\u003eBracket has 50mm diameter central access hole for cabling\u003c\/li\u003e\n\u003cli\u003ePlastics used NORYL – Cover, main body and mounting bracket\u003c\/li\u003e\n\u003cli\u003eLead-Free Status All Firex alarms are lead-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF20R%20Data%20Sheet_tcm512-112323.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/KF30R%20%20Data%20Sheet_tcm512-112326.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for KF20R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1374-7205-04%28KF10_KF20_KF10R_KF20R%29_EN_KM738872_tcm512-107850.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF20R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for KF30R\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1003-7203-03_%28KF30_KF30LL_KF30R%29_KM738879_tcm512-107851.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for KF30R\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798379737186,"sku":"KF20Rx5+KF30R","price":274.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF20-Rx5-KF30-R-Shopify.jpg?v=1709522359"},{"product_id":"2sfw-3sfw","title":"Kidde Slick 1x 2SFW Optical Smoke \u0026 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Slick 1x 2SFW Optical Smoke \u0026amp; 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Optical Smoke Alarm (2SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered Optical smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 2SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 60mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 280g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Optical chamber with insect-resistant width slot entry inlet portals\u003c\/li\u003e\n\u003cli\u003eChamber Size 41mm outside diameter x 16mm approximate depth (external)\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eDetection Band infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 10 seconds = unit in hush condition, auto reset after 7 minutes\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (3SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains powered heat alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation with latching LED allowing the initiating alarm to be identified\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 70mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 274g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/2SFW-DATA-SHEET_tcm512-112312.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/3SFW-Data-Sheet_tcm512-112314.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798453563490,"sku":"2SFW+3SFW","price":62.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/2-SFW-3-SFW-Shopify.jpg?v=1709522629"},{"product_id":"2sfwx2-3sfw","title":"Kidde Slick 2x 2SFW Optical Smoke \u0026 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Slick 2x 2SFW Optical Smoke \u0026amp; 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2x Mains Powered Optical Smoke Alarm (2SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered Optical smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 2SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 60mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 280g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Optical chamber with insect-resistant width slot entry inlet portals\u003c\/li\u003e\n\u003cli\u003eChamber Size 41mm outside diameter x 16mm approximate depth (external)\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eDetection Band infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 10 seconds = unit in hush condition, auto reset after 7 minutes\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (3SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains powered heat alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation with latching LED allowing the initiating alarm to be identified\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 70mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 274g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/2SFW-DATA-SHEET_tcm512-112312.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/3SFW-Data-Sheet_tcm512-112314.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798453923938,"sku":"2SFWx2+3SFW","price":87.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/2-SFWx2-3-SFW-Shopify.jpg?v=1709522636"},{"product_id":"2sfwx3-3sfw","title":"Kidde Slick 3x 2SFW Optical Smoke \u0026 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Slick 3x 2SFW Optical Smoke \u0026amp; 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3x Mains Powered Optical Smoke Alarm (2SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered Optical smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 2SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 60mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 280g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Optical chamber with insect-resistant width slot entry inlet portals\u003c\/li\u003e\n\u003cli\u003eChamber Size 41mm outside diameter x 16mm approximate depth (external)\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eDetection Band infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 10 seconds = unit in hush condition, auto reset after 7 minutes\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (3SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains powered heat alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation with latching LED allowing the initiating alarm to be identified\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 70mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 274g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/2SFW-DATA-SHEET_tcm512-112312.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/3SFW-Data-Sheet_tcm512-112314.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798453989474,"sku":"2SFWx3+3SFW","price":113.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/2-SFWx3-3-SFW-Shopify.jpg?v=1709522637"},{"product_id":"2sfwx4-3sfw","title":"Kidde Slick 4x 2SFW Optical Smoke \u0026 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Slick 4x 2SFW Optical Smoke \u0026amp; 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4x Mains Powered Optical Smoke Alarm (2SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered Optical smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 2SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 60mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 280g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Optical chamber with insect-resistant width slot entry inlet portals\u003c\/li\u003e\n\u003cli\u003eChamber Size 41mm outside diameter x 16mm approximate depth (external)\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eDetection Band infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 10 seconds = unit in hush condition, auto reset after 7 minutes\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (3SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains powered heat alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation with latching LED allowing the initiating alarm to be identified\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 70mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 274g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/2SFW-DATA-SHEET_tcm512-112312.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/3SFW-Data-Sheet_tcm512-112314.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798454186082,"sku":"2SFWx4+3SFW","price":138.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/2-SFWx4-3-SFW-Shopify.jpg?v=1709522640"},{"product_id":"2sfwx5-3sfw","title":"Kidde Slick 5x 2SFW Optical Smoke \u0026 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eKidde Slick 5x 2SFW Optical Smoke \u0026amp; 1x 3SFW Heat Alarm Kit Mains Powered with Alkaline Battery Back-Up\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFULLY COMPLY WITH THE NEW 2022 SCOTTISH \u0026amp; WELSH REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5x Mains Powered Optical Smoke Alarm (2SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains-powered Optical smoke alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarms using ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Optical Smoke Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 2SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 60mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 280g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Optical chamber with insect-resistant width slot entry inlet portals\u003c\/li\u003e\n\u003cli\u003eChamber Size 41mm outside diameter x 16mm approximate depth (external)\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003eDetection Band infrared light wavelength\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of smoke within the sensing chamber, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 10 seconds = unit in hush condition, auto reset after 7 minutes\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e1x Mains Powered Heat Alarm (3SFW):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMains powered heat alarm from the ‘Slick’ range of fast-fit alarms that can be interconnected with up to 23 other Kidde and Firex mains alarms.\u003cbr\u003e\nOptional wireless capability using Wireless Alarm Base (RF-SFTP) for wire-free interconnection.\u003cbr\u003e\nThe ‘Slick’ range requires installation by a professionally qualified electrician and complies with UK Building Regulations for new housing and associated standards (Grade D, BS5839, Part 6).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique fast-fit system with separate base plate, for ease of fitting and maintenance\u003c\/li\u003e\n\u003cli\u003eIntegral, double-decker screwless terminal block for fast, push-fit connection\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation with latching LED allowing the initiating alarm to be identified\u003c\/li\u003e\n\u003cli\u003eSeparate Test and Hush buttons to test and temporarily silence nuisance alarms\u003c\/li\u003e\n\u003cli\u003eAlkaline back-up battery provides continuous operation in the event of mains failure\u003c\/li\u003e\n\u003cli\u003eInterconnectable with other Kidde mains smoke and heat alarms and Kidde mains CO alarmsusing ‘Smart Interconnect’ technology\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking device – prevents unauthorised removal without the use of a tool\u003c\/li\u003e\n\u003cli\u003eWireless capability – use with optional Wireless Alarm Base (RF-SFTP) for RF interlink function\u003c\/li\u003e\n\u003cli\u003eDeep Base – allows easier wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Heat Alarm Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 3SFW\u003c\/li\u003e\n\u003cli\u003ePower Supply 230V mains\u003c\/li\u003e\n\u003cli\u003eTemperature Range 0ºC to +40ºC\u003c\/li\u003e\n\u003cli\u003eHumidity Range Up to 93% Relative Humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eStorage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing\u003c\/li\u003e\n\u003cli\u003eAlarm Dimensions 135 x 135 x 70mm (including ‘Slick’ mounting base)\u003c\/li\u003e\n\u003cli\u003eAlarm Weight 274g\u003c\/li\u003e\n\u003cli\u003eWarranty 10 years\u003c\/li\u003e\n\u003cli\u003eApprovals BSI certified to BS5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003eCE tested and certified\u003c\/li\u003e\n\u003cli\u003eAssociated Standard BS 5839 Part 6 Grade D\u003c\/li\u003e\n\u003cli\u003eSensor Thermistor (Thermal resistor) within detection unit\u003c\/li\u003e\n\u003cli\u003eSensitivity Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC\u003c\/li\u003e\n\u003cli\u003eButton Test Simulates the effect of heat at the sensor, checks electronics and sounder\u003c\/li\u003e\n\u003cli\u003eAutomatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected\u003c\/li\u003e\n\u003cli\u003eSupply Voltage 230V AC, 50 Hz (nominal UK voltage)\u003c\/li\u003e\n\u003cli\u003ePower Consumption Maximum 80mA\u003c\/li\u003e\n\u003cli\u003eBattery Back-up User-replaceable alkaline 9V battery (MX1604)\u003c\/li\u003e\n\u003cli\u003eBattery Monitoring Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present\u003c\/li\u003e\n\u003cli\u003eLow Battery Warning 30-day low battery indicator\u003c\/li\u003e\n\u003cli\u003ePower-on Indicator Continuous green LED\u003c\/li\u003e\n\u003cli\u003eAlarm Sounder Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses)\u003c\/li\u003e\n\u003cli\u003eSound Output 85dB (A) minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003eAlarm Frequency 3.2 kHz typical\u003c\/li\u003e\n\u003cli\u003eAlarm Status Red LED flashes rapidly, typically once every 2\/3 seconds = unit sensing a fire event\u003c\/li\u003e\n\u003cli\u003eRed LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes)\u003c\/li\u003e\n\u003cli\u003eRed LED flashes once every 35 seconds = normal quiescent operation\u003c\/li\u003e\n\u003cli\u003eInterconnection Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below)\u003c\/li\u003e\n\u003cli\u003eUp to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP\u003c\/li\u003e\n\u003cli\u003eOptional Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base\u003c\/li\u003e\n\u003cli\u003eFixing ‘Slick’ mounting deep base as supplied\u003c\/li\u003e\n\u003cli\u003eBase Cable Connect. Screwless Terminal Block with slot release feature for conductor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease note: Alarms are sold individually.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Data Sheet for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/2SFW-DATA-SHEET_tcm512-112312.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Data Sheet for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/3SFW-Data-Sheet_tcm512-112314.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eData Sheet for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Instruction Manual for 2SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 2SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003ca title=\"Instruction Manual for 3SFW\" href=\"https:\/\/www.kidde.com\/fire-safety\/en\/uk\/media\/1SFW_1SFWR_2SFW_2SFWR_3SFW_3SFWR-User-Guide_tcm512-107849.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction Manual for 3SFW\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":40798454382690,"sku":"2SFWx5+3SFW","price":164.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/2-SFWx5-3-SFW-Shopify.jpg?v=1709522644"},{"product_id":"kidde-sentry-1x-kf21r-optical-smoke-1x-kf31r-heat-alarm-kit-mains-ac-sealed-in-rechargeable-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 1x KF21R Optical Smoke \u0026 1x KF31R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry KF21R \u0026amp; KF31R Mains Powered Smoke and Heat Alarm Kit with Rechargeable Lithium Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines the \u003cstrong\u003eKF21R Optical Smoke Alarm\u003c\/strong\u003e and \u003cstrong\u003eKF31R Heat Alarm\u003c\/strong\u003e to provide reliable, whole-home fire detection for residential properties. Designed for mains-powered installation, both alarms feature sealed rechargeable lithium battery back-up protection and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eThis advanced fire alarm kit delivers dependable smoke and heat detection across living spaces, escape routes, kitchens, garages and lofts, helping homeowners meet UK Building Regulations while improving property safety.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation and features integrated cable management to keep wiring secure and organised. The 150mm flared base plate also provides a neat finish when retrofitting existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 x Kidde KF21R Optical Smoke Alarm\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31R Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21R Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21R optical smoke alarm is designed to detect slow, smouldering fires caused by electrical faults, upholstery or cigarettes. Ideal for hallways, bedrooms and living spaces, the optical sensor provides reliable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31R Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31R heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, cooking fumes or dust. Its thermistor heat sensor provides dependable heat detection while helping to reduce nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for residential properties\u003c\/li\u003e\n\u003cli\u003eSealed rechargeable lithium battery back-up for maintenance-free operation\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and simple installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for tidy wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D1 domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21R Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31R Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 245g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/N1qtN-KTPiGxV4FCNukEVy8KrHFuo3kFjmynmZb3DAM.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/xNd9FoIq-vcqzIQOFyRYOdCzaM-sDYjr6hjJWbs8s7w.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242521268605,"sku":"KF21R+KF31R","price":102.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21_KF31_Shopify.jpg?v=1780419853"},{"product_id":"kidde-sentry-5x-kf21-optical-smoke-1x-kf31-heat-alarm-kit-mains-ac-9v-alkaline-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 5x KF21 Optical Smoke \u0026 1x KF31 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 5x KF21 Optical Smoke \u0026amp; 1x KF31 Heat Alarm Kit with 9V Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines \u003cstrong\u003efive KF21 Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31 Heat Alarm\u003c\/strong\u003e to provide complete fire detection coverage for larger homes and multi-storey residential properties. Designed for mains-powered installation, each alarm features a 9V alkaline battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms for dependable whole-home protection.\u003c\/p\u003e\n\n\u003cp\u003eWhen one alarm detects danger, all connected alarms sound simultaneously, providing an early warning throughout the property. This makes the system ideal for improving fire safety across multiple rooms, floors and escape routes.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for fast and tidy installation. Integrated cable management helps maintain organised wiring, while the 150mm flared base plate provides a neat finish when retrofitting existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e5 x Kidde KF21 Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31 Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21 Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21 optical smoke alarm is designed to detect slow, smouldering fires caused by furniture, electrical faults or cigarettes. Ideal for hallways, landings, bedrooms and living areas, the optical sensor provides reliable early fire detection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31 Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31 heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to cooking fumes, steam or dust. The thermistor heat sensor provides dependable heat detection while reducing nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComprehensive smoke and heat alarm system for larger homes\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-property warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and clean installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for neat wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D domestic fire alarm solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21 Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31 Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 281g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/cLZXN-22ToQPRSsziH882At4tMbmU8m8g_VkuEP2TCY.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/SITv1sqYJTD_5p71Au0BPbmur0mGCPGQqX8LEHOVsKI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242522513789,"sku":"KF21x5+KF31","price":144.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x5_KF31_Shopify.jpg?v=1780419852"},{"product_id":"kidde-sentry-1x-kf21-optical-smoke-1x-kf31-heat-alarm-kit-mains-ac-9v-alkaline-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 1x KF21 Optical Smoke \u0026 1x KF31 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry KF21 \u0026amp; KF31 Mains Powered Smoke and Heat Alarm Kit with 9V Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines the reliable \u003cstrong\u003eKF21 Optical Smoke Alarm\u003c\/strong\u003e and \u003cstrong\u003eKF31 Heat Alarm\u003c\/strong\u003e to provide comprehensive fire detection throughout residential properties. Designed for mains-powered installation, both alarms feature 9V alkaline battery back-up protection and can be interconnected with up to 23 compatible Kidde FIREX alarms for complete home safety coverage.\u003c\/p\u003e\n\n\u003cp\u003eThis convenient alarm combination is ideal for meeting UK Building Regulations in domestic properties, offering dependable smoke and heat detection across living spaces, hallways, kitchens, garages and loft areas.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation, while integrated cable management keeps wiring neat and secure. The 150mm flared base also provides a tidy finish when replacing existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 x Kidde KF21 Optical Smoke Alarm\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31 Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21 Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21 optical smoke alarm is designed to detect slow, smouldering fires commonly caused by furniture, electrical faults and cigarettes. Ideal for escape routes and living areas, the alarm provides dependable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the triggered unit\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31 Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31 heat alarm is ideal for kitchens, garages and loft spaces where smoke alarms may be affected by steam, cooking fumes or dust. The thermistor heat sensor provides reliable temperature detection without nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the triggered unit\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and humid environments\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat detection solution for residential properties\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and clean installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for tidy wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21 Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31 Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 281g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/cLZXN-22ToQPRSsziH882At4tMbmU8m8g_VkuEP2TCY.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/SITv1sqYJTD_5p71Au0BPbmur0mGCPGQqX8LEHOVsKI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242523595133,"sku":"KF21+KF31","price":58.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21_KF31_Shopify_20159ed8-2ad2-4835-96d9-1cae224f7567.jpg?v=1780419853"},{"product_id":"kidde-sentry-4x-kf21r-optical-smoke-1x-kf31r-heat-alarm-kit-mains-ac-sealed-in-rechargeable-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 4x KF21R Optical Smoke \u0026 1x KF31R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 4x KF21R Optical Smoke \u0026amp; KF31R Heat Alarm Kit with Rechargeable Lithium Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e includes \u003cstrong\u003efour KF21R Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31R Heat Alarm\u003c\/strong\u003e, providing a complete fire detection solution for larger homes and multi-storey residential properties. Designed for mains-powered installation, each alarm features a sealed rechargeable lithium battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eWhen one alarm detects danger, all connected alarms sound simultaneously, helping to provide an early warning throughout the property. This makes the system ideal for improving fire safety across multiple rooms, hallways, landings and escape routes.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for fast installation and features integrated cable management to keep wiring secure and organised. The 150mm flared base plate also provides a neat retrofit finish when replacing older alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e4 x Kidde KF21R Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31R Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21R Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21R optical smoke alarm is designed to detect slow, smouldering fires caused by electrical faults, furniture or cigarettes. Ideal for circulation routes and living areas, the optical sensor provides dependable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31R Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31R heat alarm is ideal for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to cooking fumes, steam or airborne dust. The thermistor heat sensor delivers reliable heat detection while helping reduce nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for dependable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for larger homes\u003c\/li\u003e\n\u003cli\u003eSealed rechargeable lithium battery back-up for maintenance-free operation\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and efficient installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for neat wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D1 domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21R Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31R Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 245g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/N1qtN-KTPiGxV4FCNukEVy8KrHFuo3kFjmynmZb3DAM.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/xNd9FoIq-vcqzIQOFyRYOdCzaM-sDYjr6hjJWbs8s7w.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242523726205,"sku":"KF21Rx4+KF31R","price":250.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x4_KF31_Shopify_9a96819a-a70e-4fdd-b1e9-fc2083422208.jpg?v=1780419861"},{"product_id":"kidde-sentry-2x-kf21r-optical-smoke-1x-kf31r-heat-alarm-kit-mains-ac-sealed-in-rechargeable-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 2x KF21R Optical Smoke \u0026 1x KF31R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 2x KF21R Optical Smoke \u0026amp; 1x KF31R Heat Alarm Kit with Rechargeable Lithium Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines \u003cstrong\u003etwo KF21R Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31R Heat Alarm\u003c\/strong\u003e to provide dependable whole-home fire detection for residential properties. Designed for mains-powered installation, each alarm features a sealed rechargeable lithium battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eThis advanced alarm system delivers reliable smoke and heat detection across hallways, bedrooms, living spaces, kitchens and loft areas, helping properties comply with UK Building Regulations while enhancing occupant safety.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation, while integrated cable management ensures neat and secure wiring. The 150mm flared base plate also provides a clean finish during retrofit installations.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e2 x Kidde KF21R Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31R Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21R Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21R optical smoke alarm is designed to detect slow, smouldering fires caused by electrical faults, furniture or cigarettes. Ideal for escape routes and living areas, the optical sensor provides dependable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31R Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31R heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to cooking fumes, dust or steam. The thermistor heat sensor provides reliable heat detection while reducing nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm system for residential properties\u003c\/li\u003e\n\u003cli\u003eSealed rechargeable lithium battery back-up for maintenance-free protection\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and efficient installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for neat wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D1 domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21R Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31R Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 245g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be carried out by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/N1qtN-KTPiGxV4FCNukEVy8KrHFuo3kFjmynmZb3DAM.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/xNd9FoIq-vcqzIQOFyRYOdCzaM-sDYjr6hjJWbs8s7w.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242525266301,"sku":"KF21Rx2+KF31R","price":152.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x2_KF31_Shopify.jpg?v=1780419865"},{"product_id":"kidde-sentry-4x-kf21-optical-smoke-1x-kf31-heat-alarm-kit-mains-ac-9v-alkaline-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 4x KF21 Optical Smoke \u0026 1x KF31 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 4x KF21 Optical Smoke \u0026amp; 1x KF31 Heat Alarm Kit with 9V Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e includes \u003cstrong\u003efour KF21 Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31 Heat Alarm\u003c\/strong\u003e, providing a complete mains-powered fire detection solution for larger residential properties. Designed to deliver reliable smoke and heat detection throughout the home, each alarm features a 9V alkaline battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eThis interlinked alarm system ensures that when one alarm detects danger, all connected alarms sound simultaneously, helping to provide earlier warning and improved occupant safety across multiple rooms and floors.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation and includes integrated cable management to maintain neat, secure wiring. The 150mm flared base plate also provides a clean retrofit finish when replacing existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e4 x Kidde KF21 Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31 Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21 Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21 optical smoke alarm is ideal for detecting slow, smouldering fires caused by electrical faults, furniture or cigarettes. Suitable for escape routes and living spaces, the optical sensor provides dependable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living areas\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31 Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31 heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, dust or cooking fumes. Its thermistor heat sensor provides reliable temperature detection while helping reduce nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for dependable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for larger homes\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and efficient installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for tidy wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21 Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31 Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 281g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/cLZXN-22ToQPRSsziH882At4tMbmU8m8g_VkuEP2TCY.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/SITv1sqYJTD_5p71Au0BPbmur0mGCPGQqX8LEHOVsKI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242525364605,"sku":"KF21x4+KF31","price":122.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x4_KF31_Shopify.jpg?v=1780419856"},{"product_id":"kidde-sentry-3x-kf21-optical-smoke-1x-kf31-heat-alarm-kit-mains-ac-9v-alkaline-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 3x KF21 Optical Smoke \u0026 1x KF31 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 3x KF21 Optical Smoke \u0026amp; 1x KF31 Heat Alarm Kit with 9V Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines \u003cstrong\u003ethree KF21 Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31 Heat Alarm\u003c\/strong\u003e to provide comprehensive fire detection coverage throughout residential properties. Designed for mains-powered installation, each alarm features a 9V alkaline battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms for complete whole-home protection.\u003c\/p\u003e\n\n\u003cp\u003eThis alarm bundle is ideal for larger homes and multi-room residential properties, offering dependable smoke detection in hallways, landings, bedrooms and living areas, alongside dedicated heat detection for kitchens, garages and loft spaces.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for fast and tidy installation. Integrated cable management helps maintain organised wiring, while the 150mm flared base ensures a clean finish during retrofit installations.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e3 x Kidde KF21 Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31 Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21 Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21 optical smoke alarm is designed to detect slow, smouldering fires commonly caused by electrical faults, upholstery or cigarettes. Ideal for escape routes and living spaces, the KF21 provides reliable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31 Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31 heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, cooking fumes or dust. The thermistor heat sensor provides dependable heat detection while helping reduce nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComprehensive smoke and heat alarm solution for larger homes\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and simple installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for neat wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21 Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31 Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 281g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/cLZXN-22ToQPRSsziH882At4tMbmU8m8g_VkuEP2TCY.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/SITv1sqYJTD_5p71Au0BPbmur0mGCPGQqX8LEHOVsKI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242526216573,"sku":"KF21x3+KF31","price":101.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x3_KF31_Shopify_ccb0fa85-bfa5-49e7-b2a2-7f94c66f588e.jpg?v=1780419866"},{"product_id":"kidde-sentry-3x-kf21r-optical-smoke-1x-kf31r-heat-alarm-kit-mains-ac-sealed-in-rechargeable-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 3x KF21R Optical Smoke \u0026 1x KF31R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 3x KF21R Optical Smoke \u0026amp; 1x KF31R Heat Alarm Kit with Rechargeable Lithium Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e includes \u003cstrong\u003ethree KF21R Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31R Heat Alarm\u003c\/strong\u003e, providing reliable whole-home fire detection for residential properties. Designed for mains-powered installation, each alarm features a sealed rechargeable lithium battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eThis advanced fire alarm system is ideal for larger homes, delivering dependable smoke detection in hallways, bedrooms and living areas, alongside dedicated heat detection for kitchens, garages and loft spaces.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation and features integrated cable management to keep wiring tidy and secure. The 150mm flared base plate also provides a neat retrofit finish when replacing older alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e3 x Kidde KF21R Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31R Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21R Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21R optical smoke alarm is designed to detect slow, smouldering fires caused by electrical faults, upholstered furniture or cigarettes. Ideal for circulation routes and living spaces, the optical sensor delivers dependable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31R Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31R heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, cooking fumes or airborne dust. The thermistor heat sensor provides reliable heat detection while helping minimise nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for larger residential properties\u003c\/li\u003e\n\u003cli\u003eSealed rechargeable lithium battery back-up for maintenance-free operation\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and efficient installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for organised wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D1 domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21R Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31R Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 245g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/N1qtN-KTPiGxV4FCNukEVy8KrHFuo3kFjmynmZb3DAM.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/xNd9FoIq-vcqzIQOFyRYOdCzaM-sDYjr6hjJWbs8s7w.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242526347645,"sku":"KF21Rx3+KF31R","price":201.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x3_KF31_Shopify.jpg?v=1780419861"},{"product_id":"kidde-sentry-2x-kf21-optical-smoke-1x-kf31-heat-alarm-kit-mains-ac-9v-alkaline-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 2x KF21 Optical Smoke \u0026 1x KF31 Heat Alarm Kit Mains Powered with 9V Alkaline Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 2x KF21 Optical Smoke \u0026amp; 1x KF31 Heat Alarm Kit with 9V Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e combines \u003cstrong\u003etwo KF21 Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31 Heat Alarm\u003c\/strong\u003e to deliver comprehensive fire detection for residential properties. Designed for mains-powered installation, all alarms feature 9V alkaline battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms for reliable whole-home protection.\u003c\/p\u003e\n\n\u003cp\u003eThis alarm bundle is ideal for meeting UK Building Regulations in domestic properties, providing dependable smoke detection in living areas and hallways, alongside heat detection in kitchens, garages and loft spaces.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for faster installation, while integrated cable management keeps wiring neat and secure. The 150mm flared base also allows for a tidy retrofit when replacing existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e2 x Kidde KF21 Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31 Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21 Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21 optical smoke alarm is designed to detect slow, smouldering fires commonly caused by electrical faults, furniture or cigarettes. Ideal for circulation routes and living spaces, the KF21 provides reliable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the triggered alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31 Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31 heat alarm is specifically designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, fumes or dust. The thermistor heat sensor delivers dependable heat detection while helping to minimise nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable temperature detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the triggered alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for residential properties\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and clean installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for tidy wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21 Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31 Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with 9V alkaline battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 281g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be carried out by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/cLZXN-22ToQPRSsziH882At4tMbmU8m8g_VkuEP2TCY.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/SITv1sqYJTD_5p71Au0BPbmur0mGCPGQqX8LEHOVsKI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31 Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31 Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242526380413,"sku":"KF21x2+KF31","price":79.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x2_KF31_Shopify_44c7dd07-4bde-4c44-a938-b2f5d3a6e3ca.jpg?v=1780419866"},{"product_id":"kidde-sentry-5x-kf21r-optical-smoke-1x-kf31r-heat-alarm-kit-mains-ac-sealed-in-rechargeable-battery-back-up-c-w-quick-fit-base","title":"Kidde Sentry 5x KF21R Optical Smoke \u0026 1x KF31R Heat Alarm Kit Mains Powered with Sealed-In Rechargeable Battery Back-Up c\/w Quick Fit Base","description":"\u003ch1\u003eKidde Sentry 5x KF21R Optical Smoke \u0026amp; KF31R Heat Alarm Kit with Rechargeable Lithium Battery Back-Up\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eKidde Sentry Alarm Kit\u003c\/strong\u003e includes \u003cstrong\u003efive KF21R Optical Smoke Alarms\u003c\/strong\u003e and \u003cstrong\u003eone KF31R Heat Alarm\u003c\/strong\u003e, providing a complete fire detection solution for larger homes and multi-storey residential properties. Designed for mains-powered installation, each alarm features a sealed rechargeable lithium battery back-up and can be interconnected with up to 23 compatible Kidde FIREX alarms.\u003c\/p\u003e\n\n\u003cp\u003eWhen one alarm detects danger, all connected alarms sound simultaneously, helping to provide early warning throughout the property. This makes the system ideal for improving fire safety across multiple rooms, floors and escape routes.\u003c\/p\u003e\n\n\u003cp\u003eEach alarm is supplied with Kidde’s \u003cstrong\u003eQuick-Fit Slide-On Base\u003c\/strong\u003e for fast installation and includes integrated cable management to keep wiring tidy and secure. The 150mm flared base plate also provides a clean retrofit finish when replacing existing alarms.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e5 x Kidde KF21R Optical Smoke Alarms\u003c\/li\u003e\n\u003cli\u003e1 x Kidde KF31R Heat Alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF21R Optical Smoke Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF21R optical smoke alarm is designed to detect slow, smouldering fires caused by electrical faults, furniture or cigarettes. Ideal for hallways, bedrooms, lofts and living areas, the optical sensor provides reliable early warning protection.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered optical smoke alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eOptical sensor with dust compensation and bug screen\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eSuitable for hallways, bedrooms, lofts and living rooms\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS EN14604:2005\u003c\/li\u003e\n\u003cli\u003e10-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKF31R Heat Alarm Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Kidde KF31R heat alarm is designed for kitchens, garages and loft spaces where smoke alarms may be unsuitable due to steam, cooking fumes or dust. The thermistor heat sensor provides dependable heat detection while helping minimise nuisance alarms.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMains-powered heat alarm with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003eThermistor heat sensor for reliable heat detection\u003c\/li\u003e\n\u003cli\u003eInterconnects with up to 23 Kidde FIREX alarms\u003c\/li\u003e\n\u003cli\u003eAlarm memory identifies the activated alarm\u003c\/li\u003e\n\u003cli\u003eCombined Test\/Hush button\u003c\/li\u003e\n\u003cli\u003eAuto reset after activation\u003c\/li\u003e\n\u003cli\u003eTamper-resistant locking mechanism\u003c\/li\u003e\n\u003cli\u003eIdeal for kitchens, garages and loft spaces\u003c\/li\u003e\n\u003cli\u003eBSI certified to BS 5446 Part 2:2003\u003c\/li\u003e\n\u003cli\u003e10-year warranty including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete smoke and heat alarm solution for larger residential properties\u003c\/li\u003e\n\u003cli\u003eSealed rechargeable lithium battery back-up for maintenance-free operation\u003c\/li\u003e\n\u003cli\u003eInterlinked alarms provide whole-home warning when danger is detected\u003c\/li\u003e\n\u003cli\u003eQuick-Fit bases for fast and efficient installation\u003c\/li\u003e\n\u003cli\u003eIntegrated cable management for organised wiring\u003c\/li\u003e\n\u003cli\u003eSuitable for compliance with UK Building Regulations\u003c\/li\u003e\n\u003cli\u003eGrade D1 domestic fire alarm system solution\u003c\/li\u003e\n\u003cli\u003eFully compatible with Kidde FIREX smoke, heat and CO alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ch3\u003eKF21R Optical Smoke Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF21R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Optical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 150mm x 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 260g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKF31R Heat Alarm\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KF31R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 230V mains with sealed rechargeable lithium battery back-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Thermistor heat sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Volume:\u003c\/strong\u003e 85dB minimum at 3 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 150mm x 66mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 245g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10 Years including battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Alarms are supplied individually within the kit. Installation should be completed by a qualified electrician.\u003c\/p\u003e\n\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/N1qtN-KTPiGxV4FCNukEVy8KrHFuo3kFjmynmZb3DAM.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Data Sheet:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/xNd9FoIq-vcqzIQOFyRYOdCzaM-sDYjr6hjJWbs8s7w.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Data Sheet\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF21R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/5E_Cqq3RopAzls8aPoJmvHQMeuuRxjlrsjQeILwJrPw.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF21R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKF31R Instruction Manual:\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/a.mktgcdn.com\/f\/4139856\/QtetLpZzr0zryso8Up1OCpp-nxIUUER8nD1yW75h6Xg.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload KF31R Instruction Manual\u003c\/a\u003e\n\u003c\/p\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":58242527494525,"sku":"KF21Rx5+KF31R","price":300.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/KF21x5_KF31_Shopify_a7434f22-0d2d-450d-b31b-23d5f26d91ac.jpg?v=1780419867"}],"url":"https:\/\/b2belectrical.com\/collections\/kidde-mains-smoke-heat-detector-kits.oembed","provider":"B2Belectrical.com","version":"1.0","type":"link"}