{"product_id":"vent-axia-494149-lo-carbon-response-7-pro-100mm-selv-dmev-extractor-fan","title":"Vent-Axia 494149 Lo-Carbon Response 7 Pro 100mm SELV dMEV Extractor Fan","description":"\n\u003ch4\u003e\u003cstrong\u003eVent-Axia 494149 Lo-Carbon Response 7 Pro 100mm SELV dMEV Extractor Fan\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eVent-Axia 494149 Lo-Carbon Response 7 Pro 100mm SELV dMEV Extractor Fan\u003c\/strong\u003e is a high-performance, energy-efficient continuous ventilation solution designed specifically for social housing and residential properties. Featuring Safety Extra Low Voltage (SELV) technology, intelligent Smart Sense™ controls and constant volume airflow, this advanced extractor fan delivers reliable ventilation while helping manage condensation, excess moisture and indoor air quality.\u003c\/p\u003e\n\n\u003cp\u003eWith extraction rates of up to \u003cstrong\u003e35 litres per second\u003c\/strong\u003e, an ultra-low-profile design and quiet, filterless operation, the Response 7 Pro SELV is suitable for bathrooms, kitchens, utility rooms and toilets. Its digital commissioning interface, performance monitoring and lockable settings make it particularly beneficial for landlords, housing associations and professional installers.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSELV Technology:\u003c\/strong\u003e Safety Extra Low Voltage design provides an electrical safety solution for suitable domestic ventilation installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous dMEV Ventilation:\u003c\/strong\u003e Provides consistent background extraction to help maintain healthier indoor air quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant Volume Airflow:\u003c\/strong\u003e Pro model automatically maintains the selected extraction rate for reliable ventilation performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Extraction Capacity:\u003c\/strong\u003e Delivers airflow rates of up to 35 l\/s for effective removal of moisture and household odours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Sense™ Technology:\u003c\/strong\u003e Intelligent digital controls simplify installation, commissioning and operational monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Performance Display:\u003c\/strong\u003e Shows installed airflow and system pressure information for accurate commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Monitoring:\u003c\/strong\u003e Records running days, trickle and boost operating hours, and energy consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low-Profile Design:\u003c\/strong\u003e Compact construction provides a discreet appearance in domestic interiors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilterless Operation:\u003c\/strong\u003e Reduces routine maintenance requirements and eliminates the need for filter replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Trickle Ventilation:\u003c\/strong\u003e Provides effective continuous extraction to minimise unnecessary boost operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX7 Protection:\u003c\/strong\u003e SELV models are specified with IPX7 protection, subject to confirmation of the exact model rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort Control Option:\u003c\/strong\u003e Selectable delayed boost activation helps minimise disturbance during short bathroom visits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable Settings:\u003c\/strong\u003e Prevents unauthorised adjustments to commissioned ventilation settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall or Ceiling Mounting:\u003c\/strong\u003e Flexible installation with an automatically orientating LED display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Decorative Frame:\u003c\/strong\u003e Available to provide a neat finish around the installed fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLo-Carbon Motor Technology:\u003c\/strong\u003e Designed for efficient continuous operation with low electricity consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-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\u003eSafety Extra Low Voltage (SELV) Ventilation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia Response 7 Pro SELV is designed for installations requiring a Safety Extra Low Voltage extractor fan. SELV technology operates using an extra-low-voltage electrical supply, helping reduce electrical shock risks in suitable domestic applications.\u003c\/p\u003e\n\n\u003cp\u003eThe SELV version is particularly relevant for bathroom ventilation projects where electrical safety and installation requirements must be carefully considered.\u003c\/p\u003e\n\n\u003cp\u003eThe product range information identifies IPX7 protection for SELV models. Installers should confirm the exact protection rating, transformer requirements and permitted installation locations using the manufacturer's instructions and applicable electrical regulations.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eConstant Volume Continuous Ventilation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia 494149 uses decentralised mechanical extract ventilation (dMEV) technology to provide continuous extraction of stale, humid air.\u003c\/p\u003e\n\n\u003cp\u003eIts \u003cstrong\u003econstant volume control system\u003c\/strong\u003e is designed to maintain the commissioned airflow rate as system resistance changes, helping deliver dependable ventilation performance across different installation conditions.\u003c\/p\u003e\n\n\u003cp\u003eWith a maximum extraction rate of 35 l\/s, the fan is suitable for domestic bathrooms, kitchens, utility rooms and toilets requiring effective background and boost ventilation.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSmart Sense™ Intelligent Control Technology\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe integrated Smart Sense™ system provides straightforward commissioning and detailed operational monitoring through a clear alphanumeric LED display and three-button control interface.\u003c\/p\u003e\n\n\u003cp\u003eThe display automatically adjusts its orientation according to whether the fan is mounted on a wall or ceiling, improving readability and simplifying installation.\u003c\/p\u003e\n\n\u003cp\u003eSmart Sense™ technology provides access to useful operating information, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal number of days the extractor fan has been running.\u003c\/li\u003e\n\u003cli\u003eOperating hours in continuous trickle mode.\u003c\/li\u003e\n\u003cli\u003eTotal hours spent in boost mode.\u003c\/li\u003e\n\u003cli\u003eBoost operating hours triggered by humidity control, where applicable.\u003c\/li\u003e\n\u003cli\u003eRecorded energy consumption.\u003c\/li\u003e\n\u003cli\u003eInstalled airflow and system pressure information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis intelligent monitoring functionality is particularly useful for housing associations and landlords who need to review ventilation operation and maintain consistent performance across residential properties.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDigital Airflow and System Pressure Monitoring\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Response 7 Pro SELV incorporates an innovative digital display that provides information about airflow performance and system pressure.\u003c\/p\u003e\n\n\u003cp\u003eThis enables installers to check the fan's operating conditions during commissioning and helps confirm that the ventilation system is delivering the intended extraction performance.\u003c\/p\u003e\n\n\u003cp\u003eThe clear interface reduces setup complexity and supports accurate adjustment of ventilation settings.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHigh-Performance Trickle and Boost Extraction\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia Lo-Carbon Response 7 Pro SELV is engineered to provide effective continuous extraction at trickle speed, reducing the need for frequent boost operation.\u003c\/p\u003e\n\n\u003cp\u003eWhen additional ventilation is required, boost mode increases airflow to help remove excess moisture, steam and unpleasant odours more quickly.\u003c\/p\u003e\n\n\u003cp\u003eThis combination of constant background extraction and responsive boost ventilation helps maintain indoor air quality while minimising unnecessary noise and energy consumption.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eComfort Control Technology\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Response 7 range features an optional patented Comfort Control function designed to improve occupant comfort by delaying boost activation.\u003c\/p\u003e\n\n\u003cp\u003eWhen enabled during installation, the delayed-start function can postpone boost operation for up to 20 minutes, allowing residents to enjoy a quieter bathroom environment.\u003c\/p\u003e\n\n\u003cp\u003eIf the bathroom light is switched on and off within three minutes, boost activation is prevented. This feature is particularly useful during night-time bathroom visits, helping avoid unnecessary disturbance to other household members.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDesigned for Social Housing\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia 494149 has been developed to meet the practical requirements of social housing providers, landlords and residents.\u003c\/p\u003e\n\n\u003cp\u003eIts ultra-low-profile appearance blends discreetly into domestic interiors, while the filterless construction reduces maintenance requirements.\u003c\/p\u003e\n\n\u003cp\u003eThe unique settings lock helps prevent unauthorised changes to commissioned airflow settings. Combined with Smart Sense™ data logging, this allows property managers to monitor ventilation operation and support consistent performance across managed housing.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEnergy-Efficient and Low-Maintenance Performance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eFeaturing Vent-Axia's Lo-Carbon motor technology, the Response 7 Pro SELV delivers efficient continuous ventilation with low electricity consumption.\u003c\/p\u003e\n\n\u003cp\u003eHigh-performance trickle extraction helps reduce unnecessary boost operation, while the filterless design removes the need for regular filter replacement.\u003c\/p\u003e\n\n\u003cp\u003eThe compact construction and optional decorative frame support a neat installation in both refurbished and existing residential properties.\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 494149\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e Lo-Carbon Response 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Response 7 Pro SELV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Continuous Extractor Fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Type:\u003c\/strong\u003e Decentralised Mechanical Extract Ventilation (dMEV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Type:\u003c\/strong\u003e Safety Extra Low Voltage (SELV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct Connection Size:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Extraction Rate:\u003c\/strong\u003e 35 l\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Control:\u003c\/strong\u003e Constant Volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Operation:\u003c\/strong\u003e Continuous Trickle and Boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Technology:\u003c\/strong\u003e Lo-Carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl System:\u003c\/strong\u003e Smart Sense™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Alphanumeric LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommissioning Interface:\u003c\/strong\u003e Three-Button Menu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Monitoring:\u003c\/strong\u003e Airflow and System Pressure Display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Logging:\u003c\/strong\u003e Days Run, Trickle Hours, Boost Hours and Energy Consumption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSettings Protection:\u003c\/strong\u003e Lockable Controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Options:\u003c\/strong\u003e Wall or Ceiling Mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Filterless, Ultra-Low-Profile Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Accessory:\u003c\/strong\u003e Decorative Installation Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Bathrooms, Kitchens, Utility Rooms and Toilets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Sector:\u003c\/strong\u003e Social Housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 7 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\u003eDomestic bathroom ventilation\u003c\/li\u003e\n\u003cli\u003eSELV extractor fan installations\u003c\/li\u003e\n\u003cli\u003eKitchen extraction and moisture management\u003c\/li\u003e\n\u003cli\u003eUtility room ventilation\u003c\/li\u003e\n\u003cli\u003eToilet and WC extraction\u003c\/li\u003e\n\u003cli\u003eSocial housing ventilation upgrades\u003c\/li\u003e\n\u003cli\u003eResidential refurbishment and renovation projects\u003c\/li\u003e\n\u003cli\u003eContinuous decentralised mechanical extract ventilation\u003c\/li\u003e\n\u003cli\u003eLandlord and housing association properties\u003c\/li\u003e\n\u003cli\u003eCondensation and indoor air quality management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eInstallation Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Vent-Axia Response 7 Pro SELV supports wall and ceiling mounting, with an automatically orientating LED display that simplifies commissioning in either position.\u003c\/p\u003e\n\n\u003cp\u003eThe fan features a compact 100mm duct connection and an ultra-low-profile design for discreet installation. Its digital control interface enables installers to configure airflow settings and review operating performance directly from the unit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The supplied product information lists IPX7 for SELV models but also identifies IPX5 in the product overview. The exact IP rating and SELV power supply requirements for model 494149 must be confirmed against the manufacturer's documentation before installation.\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_Response_7_100_Catalogue.pdf\" title=\"Vent-Axia 494149 Lo-Carbon Response 7 Pro SELV 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\/417808.pdf\" title=\"Vent-Axia 494149 Response 7 Pro SELV 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":68117346779527,"sku":"494149","price":185.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2349\/2557\/files\/VA_Response_Range_2e0af632-948e-4c76-8ce9-538705d376a8.webp?v=1793805308","url":"https:\/\/westbasedirect.com\/products\/vent-axia-494149-lo-carbon-response-7-pro-100mm-selv-dmev-extractor-fan","provider":"West Base Direct","version":"1.0","type":"link"}