Xpelair CV4SR Simply Silent dMEV Extractor Fan With Humidistat Mains Voltage
The Xpelair CV4SR Simply Silent dMEV Extractor Fan With Humidistat is a white mains voltage continuous running de-centralised MEV axial fan. It is designed to offer exceptionally low noise levels, whilst delivering a constant volume of extracted air to eliminate humidity, condensation and mould growth



within 1-2 working days
Xpelair CV4SR Description
The Xpelair Contour CV4SR is a white mains voltage continuous running de-centralised MEV axial fan designed to offer exceptionally low noise levels, whilst delivering a constant volume of extracted air to eliminate humidity, condensation and mould growth in bathrooms, shower rooms, cloakrooms, toilets and kitchens.
Feature Xpelair’s intelligent Adaptiflow™ sensing to deliver constant volume performance through a unique sensor housed within the duct. This smart technology works cooperatively with the product’s active humidistat, sensing changes in airflow, adapting the fan speed intelligently to maintain constant volume of extracted air.
The fans airflow can be set at install to either bathroom or kitchen mode, by operating in efficient trickle ventilation mode at 5 l/s or 8 l/s and boosting as required up to 18 l/s, allowing the fan to be used as a whole house dMEV solution.
Features the advanced Ghost Air Movement Technology to deliver near-silent running. Available with either square or round fascia to suit installation requirements.
The small and sleek design of the contour is accompanied by So Simple installation to offer a hassle free setup, suitable for wall, ceiling, panel and window fitting.
Particularly suited to new-build and high-end specifications, the Contour CV4SR features a datalogger designed to help landlords and local authorities avoid damage to their housing stock through condensation and mould.
Xpelair CV4SR Features
- Xpelair CV4SR 078377 Contour continuous running de-centralised MEV axial fan
- White finish
- IPX4 rated
- 240V mains voltage operation
- Suitable for both kitchen and bathroom installation - selectable at installation
- 3 speed settings, including trickle and boost
- Wall, ceiling, panel and window fitting
- Integral adjustable humidistat adjustable from 50-90% RH
- Adjustable overrun timer - 30 sec - 30 minutes
- Intelligent Adaptiflow™ Sensing intelligently adjusts the speed of the fan, ensuring the correct airflow
- Includes a datalogger designed to help landlords and local authorities
- Ghost air movement technology for near-silent running
- Noise Level 28dBA at 3m
- Supplied with both circular and square fascias
- Easy cleaning thanks to twist and turn baffle
- Extraction Rate 18-65m³/hr
- Radial screw slots for easy alignment of back plate prior to final fixing
- Features a level line at bottom of back plate for ease of alignment
- Large cable access for ease of wiring
- Complies with building regulations Part F and L for bathroom and kitchen installations
- Dimensions Square Fascia: Height: 180mm | Width: 180mm | Spigot DiaØ : 100mm
- Dimensions Round Fascia: DiaØ: 200mm | Spigot DiaØ : 100mm