{"product_id":"vent-axia-403833-lo-carbon-tempra-selv-lp-heat-recovery-unit-longer-cell-pullcord","title":"Vent-Axia 403833 Lo-Carbon Tempra SELV LP Heat Recovery Unit Longer Cell \u0026 Pullcord","description":"\u003ch4\u003eVent-Axia 403833 Lo-Carbon Tempra SELV LP Heat Recovery Unit – Long Cell with Pullcord\u003c\/h4\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eVent-Axia 403833 Lo-Carbon Tempra SELV LP Heat Recovery Unit\u003c\/strong\u003e is a compact, energy-efficient through-the-wall ventilation solution designed to provide continuous fresh air while recovering heat from extracted air. Featuring a \u003cstrong\u003eSafety Extra Low Voltage (SELV) design, 460mm long cell and pullcord control\u003c\/strong\u003e, this decentralised mechanical ventilation with heat recovery (dMVHR) unit is ideal for bathrooms, kitchens, toilets and utility rooms in residential properties and social housing.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to fit a standard 100mm diameter wall opening, the Tempra SELV LP is particularly suitable for refurbishment projects and replacing conventional extractor fans. Its advanced heat exchanger achieves up to 78% temperature efficiency, helping reduce heat loss, improve indoor air quality and minimise energy consumption.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSELV Operation:\u003c\/strong\u003e Safety Extra Low Voltage design for applications requiring low-voltage ventilation equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Recovery Efficiency:\u003c\/strong\u003e Recovers up to 78% of heat from extracted air, helping minimise heat loss and improve energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 460mm Cell:\u003c\/strong\u003e Designed for installation through walls measuring between 321mm and 460mm thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePullcord Control:\u003c\/strong\u003e Convenient manual operation for controlling ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Ventilation:\u003c\/strong\u003e Selectable extraction rates of 6 l\/s or 9 l\/s, with boost operation up to 15 l\/s.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Energy Consumption:\u003c\/strong\u003e Efficient Lo-Carbon EC\/DC motor consumes as little as 3.2W at trickle speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Performance:\u003c\/strong\u003e Operates at noise levels as low as 20dB(A), helping maintain a peaceful indoor environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 100mm Installation:\u003c\/strong\u003e Fits existing 100mm wall openings, making it suitable for extractor fan replacement projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummer Extract Mode:\u003c\/strong\u003e Manual extract-only setting helps prevent unwanted heat recovery during warmer weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX4 Protection:\u003c\/strong\u003e Splash-resistant construction suitable for appropriate bathroom and utility room installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Accessible heat exchanger simplifies routine cleaning and servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eEfficient Heat Recovery Ventilation\u003c\/h5\u003e\n\u003cp\u003eThe Vent-Axia Lo-Carbon Tempra SELV LP uses a compact heat exchanger to recover warmth from outgoing stale air and transfer it to incoming fresh air. This process helps maintain comfortable indoor temperatures while reducing the energy normally lost through traditional extract ventilation.\u003c\/p\u003e\n\n\u003cp\u003eThe unit can operate continuously at 6 l\/s or 9 l\/s, with a boost extraction rate of 15 l\/s when additional ventilation is required. For intermittent extract applications, the unit can be configured to operate at 15 l\/s.\u003c\/p\u003e\n\n\u003cp\u003eIts airflow design maintains slight negative pressure within the ventilated room, helping limit the movement of humid air into adjoining areas. This makes it particularly useful in rooms where moisture and condensation control are important.\u003c\/p\u003e\n\n\u003ch5\u003eLow-Energy and Quiet Operation\u003c\/h5\u003e\n\u003cp\u003eEquipped with an efficient Lo-Carbon EC\/DC motor and twin impellers, the Tempra SELV LP delivers reliable ventilation while consuming as little as 3.2 watts at its lowest continuous extraction setting.\u003c\/p\u003e\n\n\u003cp\u003eWith sound levels as low as 20dB(A), the unit provides discreet ventilation for residential environments where low operating noise is desirable.\u003c\/p\u003e\n\n\u003ch5\u003eIdeal Applications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eBathrooms and shower rooms\u003c\/li\u003e\n\u003cli\u003eKitchens requiring continuous extract ventilation\u003c\/li\u003e\n\u003cli\u003eToilets and WC facilities\u003c\/li\u003e\n\u003cli\u003eUtility rooms and laundry areas\u003c\/li\u003e\n\u003cli\u003eSocial housing and residential properties\u003c\/li\u003e\n\u003cli\u003eHome renovation and refurbishment projects\u003c\/li\u003e\n\u003cli\u003eReplacement of existing 100mm wall-mounted extractor fans\u003c\/li\u003e\n\u003cli\u003eInstallations requiring SELV ventilation equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eTechnical Specifications\u003c\/h5\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 403833\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e Lo-Carbon Tempra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SELV LP – Long Cell with Pullcord\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Type:\u003c\/strong\u003e Decentralised Mechanical Ventilation with Heat Recovery (dMVHR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Design:\u003c\/strong\u003e Safety Extra Low Voltage (SELV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Through-the-wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct Connection Size:\u003c\/strong\u003e 100mm diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Cell Length:\u003c\/strong\u003e 460mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable Wall Thickness:\u003c\/strong\u003e 321–460mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Recovery Efficiency:\u003c\/strong\u003e Up to 78%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Extraction Rate:\u003c\/strong\u003e 6 l\/s or 9 l\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Extraction Rate:\u003c\/strong\u003e 15 l\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Power Consumption:\u003c\/strong\u003e 3.2W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e As low as 20dB(A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Type:\u003c\/strong\u003e Lo-Carbon EC\/DC with twin impellers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Type:\u003c\/strong\u003e Pullcord\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummer Mode:\u003c\/strong\u003e Manual extract-only operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IPX4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Bathrooms, kitchens, toilets and utility rooms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eSimple Installation and Maintenance\u003c\/h5\u003e\n\u003cp\u003eThe Vent-Axia 403833 Tempra SELV LP is designed for straightforward installation through an external wall using a standard 100mm diameter opening. Its extended 460mm cell accommodates wall thicknesses from 321mm to 460mm, making it suitable for properties with thicker external walls.\u003c\/p\u003e\n\n\u003cp\u003eThe compact heat exchanger allows the unit to replace many conventional 100mm extractor fans while providing the additional benefits of heat recovery ventilation. Its accessible construction also makes routine maintenance and heat exchanger cleaning straightforward.\u003c\/p\u003e\n\n\u003cp\u003eFor installations requiring extra-low-voltage equipment, the SELV configuration offers a suitable ventilation option when installed in accordance with the manufacturer's instructions and applicable electrical regulations.\u003c\/p\u003e\n\n\u003ch5\u003eDownloads\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/asset.eezybridge.com\/nc\/ba7b9546-29dd-40c4-87a7-885627281b87\/VA_LC_Trmpra_Catalogue.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVent-Axia Lo-Carbon Tempra Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/asset.eezybridge.com\/nc\/ba7b9546-29dd-40c4-87a7-885627281b87\/444367.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVent-Axia 403833 Installation Guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vent-Axia","offers":[{"title":"Default Title","offer_id":58946154692989,"sku":"403833","price":341.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/VA_LC_Tempra_Range_c0ec8fdd-4b03-40d0-a430-af3acee7f8a1.webp?v=1792556814","url":"https:\/\/b2belectrical.com\/products\/vent-axia-403833-lo-carbon-tempra-selv-lp-heat-recovery-unit-longer-cell-pullcord","provider":"B2Belectrical.com","version":"1.0","type":"link"}