
Envirovent SIL125HT Silent 125 White Low Noise Wall / Ceiling Axial Extractor Fan With Adjustable Humidistat & Timer IP45 125mm / 5 Inch 240V
SIL125HT
Silent 125 Low Noise Axial Extractor Fan – Adjustable Humidistat & Timer, Ideal for Smart, Quiet Ventilation in Bathrooms
The Silent 125 Extractor Fan with adjustable humidistat and timer is designed for intelligent, low-noise ventilation in medium-sized bathrooms, en-suites, and utility areas. Its smart humidity sensor ensures automatic activation based on room conditions, while the adjustable timer guarantees effective post-use extraction. With ultra-quiet performance, IP45 protection, and backdraught prevention, it’s ideal for use in Zone 1 and fully compliant with UK Building Regulations.
- Adjustable Humidistat Control: Automatically activates when humidity exceeds a user-defined level (60–90% RH) and runs until moisture is cleared.
- Run-On Timer Function: Post-use operation can be set between 1 and 30 minutes for optimal air extraction.
- Silent Operation: Motor mounted on silent elastic blocks and sealed ball bearings for minimal vibration and sound.
- Integrated Backdraught Shutter: Fitted with airflow guide vanes and shutter to prevent cold air return and improve pressure performance.
- Zone 1 Compliant & Efficient: IP45 rated, energy-efficient fan that meets all current Building Regulation standards.
Technical Specification
- Mounting: Wall or ceiling
- IP Rating: IP45
- Duct Size: 125mm / 5 inch
- Voltage: 240V
- Guarantee: 5 years (manufacturer)
✅ Install the Silent 125 with humidistat for automatic, ultra-quiet humidity control in medium-sized bathrooms and wet zones!
C/w Humidistat | Y |
C/w Pullcord | N |
S4 - Size | 125mm / 5 Inch |
Product | Domestic Fans |
Type | Domestic Axial Humidistat |
Ingress Protection | IP45 |
Voltage | 230/240 V |
C/w Pir | N |
Air Extraction Rate M3/h | 180 M3/h |
C/w Timer | Y |
Shape | Square |
Maximum Sound Power Level | 33 dB |
Neon Indicator | N |
Max Litres Per Second Rate | 50 L/S |
C/w Backdraught Shutter | Y |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
Click here to find out more.