{"product_id":"vent-axia-476310-lo-carbon-pozidry-pro-piv-unit","title":"Vent-Axia 476310 Lo-Carbon PoziDry Pro Positive Input Ventilation (PIV) Unit","description":"\u003ch4\u003e\u003cstrong\u003eVent-Axia 476310 Lo-Carbon PoziDry Pro Positive Input Ventilation (PIV) Unit\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eVent-Axia 476310 Lo-Carbon PoziDry Pro Positive Input Ventilation (PIV) Unit\u003c\/strong\u003e is an energy-efficient, loft-mounted whole-house ventilation system designed to help prevent condensation, reduce mould growth and improve indoor air quality. Ideal for domestic properties, social housing and residential refurbishment projects, this advanced PIV system introduces fresh, filtered air into the home while providing exceptionally quiet operation and low running costs.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing \u003cstrong\u003eSmartSense™ technology\u003c\/strong\u003e, an electronically controlled Lo-Carbon DC motor and adjustable airflow rates from 11 to 49 litres per second, the PoziDry Pro delivers intelligent ventilation tailored to individual property requirements. Its compact design, anti-vibration mounting options and discreet ceiling diffuser make installation straightforward, while automatic temperature monitoring helps maintain year-round comfort.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Input Ventilation:\u003c\/strong\u003e Continuously introduces fresh, filtered air to help reduce condensation, damp conditions and mould growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole-House Ventilation:\u003c\/strong\u003e Distributes filtered air throughout the property from a centrally positioned ceiling diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartSense™ Technology:\u003c\/strong\u003e Provides intelligent speed selection, straightforward commissioning and operational data logging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Airflow:\u003c\/strong\u003e Fully configurable ventilation rates between 11 and 49 l\/s to suit different property sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-Efficient Lo-Carbon Motor:\u003c\/strong\u003e Electronically controlled DC motor technology delivers low running costs and reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Quiet Operation:\u003c\/strong\u003e Designed for discreet, continuous ventilation with minimal disturbance to occupants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Monitoring:\u003c\/strong\u003e Adjusts airflow according to loft temperature to support household comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Recovery Mode:\u003c\/strong\u003e Increases ventilation when excess heat is detected in the loft, helping redistribute otherwise wasted heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummer Standby Function:\u003c\/strong\u003e Automatically reduces warm air circulation when loft temperatures exceed the adjustable threshold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG4 Filtration:\u003c\/strong\u003e Supplied with G4 filters to help remove airborne dust, pollen and other common particles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional F7 Filtration:\u003c\/strong\u003e Upgrade available for enhanced PM2.5 fine-particle filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e Includes anti-vibration joist mounting legs and a hanging kit for versatile loft installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscreet Ceiling Diffuser:\u003c\/strong\u003e Low-profile white diffuser with Smart Air™ technology for quiet and effective air distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadon Mode:\u003c\/strong\u003e Continuous ventilation setting available for properties requiring additional radon management measures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX2 Protection:\u003c\/strong\u003e Designed for protected indoor installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Warranty:\u003c\/strong\u003e Manufacturer-backed warranty for long-term peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEffective Condensation and Mould Control\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia Lo-Carbon PoziDry Pro uses positive input ventilation technology to address common household problems associated with excessive moisture, condensation and poor indoor air quality.\u003c\/p\u003e\n\n\u003cp\u003eInstalled within the loft, the unit draws in air, passes it through integrated filters and gently distributes it into the home through a ceiling-mounted diffuser. The incoming filtered air helps dilute and displace moisture-laden indoor air, encouraging stale air to leave through existing ventilation openings and natural leakage paths.\u003c\/p\u003e\n\n\u003cp\u003eThis continuous ventilation process helps create a fresher indoor environment and reduces the conditions that encourage condensation and mould growth.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSmartSense™ Intelligent Ventilation Control\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe integrated SmartSense™ control system simplifies installation, commissioning and ongoing ventilation management. Installers can select the appropriate property size based on the number of bedrooms, allowing the unit to automatically configure suitable Trickle and Energy Recovery airflow settings.\u003c\/p\u003e\n\n\u003cp\u003eVentilation speeds can also be adjusted manually when required, while the lockable control interface helps prevent unauthorised changes to the configured settings.\u003c\/p\u003e\n\n\u003cp\u003eSmartSense™ additionally provides operational data logging, recording running time at different fan speeds and the number of days the unit has been powered. This information supports maintenance checks and ventilation performance monitoring.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eAutomatic Temperature Control and Energy Recovery\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe PoziDry Pro features intelligent loft temperature monitoring that automatically adjusts ventilation performance to maintain comfortable indoor conditions throughout the year.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrickle Mode:\u003c\/strong\u003e Provides continuous, low-noise ventilation during normal operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Recovery Mode:\u003c\/strong\u003e Increases airflow when excess heat is detected in the loft, helping redistribute heat that might otherwise escape through the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummer Standby Mode:\u003c\/strong\u003e Activates when loft temperatures exceed the adjustable 27°C threshold, helping prevent excessively warm air from entering the property.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Temperature Settings:\u003c\/strong\u003e Allows ventilation responses to be configured according to property requirements and occupant comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eLow-Energy and Ultra-Quiet Performance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia 476310 incorporates an electronically controlled Lo-Carbon DC motor designed to deliver efficient ventilation with minimal electricity consumption.\u003c\/p\u003e\n\n\u003cp\u003eLong-life ball bearings and integrated overload protection support reliable operation, while the lightweight construction and anti-vibration mounting system help minimise noise transmission into the property.\u003c\/p\u003e\n\n\u003cp\u003eThe motor is suitable for ambient operating temperatures between -25°C and +40°C, providing dependable performance across a wide range of loft conditions.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eG4 Air Filtration with Optional F7 Upgrade\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Lo-Carbon PoziDry Pro is supplied with G4 filters designed to capture common airborne particles, including dust and pollen, before fresh air enters the living space.\u003c\/p\u003e\n\n\u003cp\u003eFor properties requiring enhanced filtration, optional F7 filters provide finer PM2.5 particle filtration, helping reduce exposure to airborne contaminants such as fine dust, diesel particulates and certain smoke particles.\u003c\/p\u003e\n\n\u003cp\u003eThe replaceable filter arrangement supports straightforward maintenance and consistent ventilation performance.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFlexible Loft Installation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe PoziDry Pro is designed for quick and convenient installation in domestic loft spaces. High-sided anti-vibration mounting legs and a hanging kit are supplied as standard, allowing installers to select the most suitable mounting method.\u003c\/p\u003e\n\n\u003cp\u003eThe mounting legs accommodate standard joist spacings between 300mm and 650mm, while clip-and-fit connections simplify assembly. An integrated carrying handle makes the lightweight unit easier to transport through loft hatches.\u003c\/p\u003e\n\n\u003cp\u003eThe supplied ceiling diffuser can be positioned above the stairwell, on a landing or within a central hallway to encourage effective air circulation throughout the dwelling.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDiscreet Ceiling Diffuser with Smart Air™ Technology\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe supplied white circular ceiling diffuser features a low-profile design that blends discreetly into domestic interiors.\u003c\/p\u003e\n\n\u003cp\u003eIts four-point contact fixing system supports quick, drill-free fitting and helps achieve a neat installation against uneven ceiling surfaces.\u003c\/p\u003e\n\n\u003cp\u003eSmart Air™ technology is designed to reduce air supply noise while improving airflow performance by up to 10%. Integrated clip-in blanking plates allow installers to direct airflow according to the property's layout.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Vent-Axia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e 476310\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e Lo-Carbon PoziDry Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Positive Input Ventilation Unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Type:\u003c\/strong\u003e Positive Input Ventilation (PIV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Loft Mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Range:\u003c\/strong\u003e 11-49 l\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e Electronically Controlled Lo-Carbon DC Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Technology:\u003c\/strong\u003e SmartSense™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Modes:\u003c\/strong\u003e Trickle, Energy Recovery, Summer Standby and Radon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Monitoring:\u003c\/strong\u003e Automatic Loft Temperature Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummer Standby Threshold:\u003c\/strong\u003e 27°C (Adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Filtration:\u003c\/strong\u003e G4 (PM10)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Filtration:\u003c\/strong\u003e F7 (PM2.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IPX2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Options:\u003c\/strong\u003e Anti-Vibration Joist Legs or Hanging Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Joist Spacing:\u003c\/strong\u003e 300-650mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeiling Diffuser:\u003c\/strong\u003e White Circular Low-Profile Diffuser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Protection:\u003c\/strong\u003e Overload Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Bearings:\u003c\/strong\u003e Long-Life Ball Bearings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e -25°C to +40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Logging:\u003c\/strong\u003e Running Time, Operating Speeds and Days Powered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Domestic and Social Housing Ventilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWhole-house positive input ventilation\u003c\/li\u003e\n\u003cli\u003eDomestic condensation and mould prevention\u003c\/li\u003e\n\u003cli\u003eSocial housing ventilation improvements\u003c\/li\u003e\n\u003cli\u003eResidential refurbishment and renovation projects\u003c\/li\u003e\n\u003cli\u003eIndoor air quality improvement\u003c\/li\u003e\n\u003cli\u003eLoft-mounted ventilation installations\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient continuous home ventilation\u003c\/li\u003e\n\u003cli\u003eProperties requiring filtered fresh air circulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eAdditional Installation Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eFor effective whole-house air circulation, internal doors should provide suitable airflow paths. Where a 10mm door undercut is not available, an optional air replacement grille set may be required.\u003c\/p\u003e\n\n\u003cp\u003eThe optional telescopic grille set fits discreetly to either side of an internal door and is suitable for door thicknesses of at least 30mm. Grille dimensions are 454 x 90mm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The 500W integral heater is a feature of separate PoziDry Pro heater models and should not be assumed to be included with product code 476310.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eData Sheet\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/asset.eezybridge.com\/nc\/ba7b9546-29dd-40c4-87a7-885627281b87\/VA_LC_Pozidry_Pro_Catalogue.pdf\" title=\"Vent-Axia 476310 Lo-Carbon PoziDry Pro Data Sheet\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eClick Here for Data Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/asset.eezybridge.com\/nc\/ba7b9546-29dd-40c4-87a7-885627281b87\/476705.pdf\" title=\"Vent-Axia 476310 PoziDry Pro Installation Guide\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eClick Here for Installation Guide\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Vent-Axia","offers":[{"title":"Default Title","offer_id":59042165981565,"sku":"476310","price":620.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/Lo_20Carbon_20PureAir_20Home.webp?v=1793857572","url":"https:\/\/b2belectrical.com\/products\/vent-axia-476310-lo-carbon-pozidry-pro-piv-unit","provider":"B2Belectrical.com","version":"1.0","type":"link"}