



Vent-Axia 479087 VASF100HTV White Variable Speed Silent Intermittent Extractor Fan With Humidistat, Adjustable Timer & Backdraught Shutter 100mm / 4 Inch 240V
VASF100HTV 479087
Vent-Axia VASF100HTV 100mm Silent Extractor Fan – Humidistat Control with Timer & Variable Speed
The Vent-Axia VASF100HTV is a high-performance 100mm extractor fan with intermittent operation, automatic humidity control, and a fixed 15-minute overrun timer. With variable speed settings selectable at installation, it provides quiet and efficient moisture control for bathrooms and other humid environments.
- Ultra-Quiet Performance – Operates from just 12dB(A) for near-silent extraction.
- Humidity Sensor Control – Automatically activates based on moisture levels for efficient ventilation.
- 15-Minute Timer Overrun – Ensures continued airflow after activation to remove excess moisture.
- Variable Speed Adjustment – Customise airflow at installation to suit room requirements.
- Backdraught Shutter – Prevents unwanted air ingress and enhances efficiency.
- Intermittent or Continuous Running – Offers flexible ventilation options.
- Long-Life Motor – High-efficiency motor rated for up to 40,000 hours of operation.
- IPX5 Rated – Suitable for Zone 1 installations, including bathrooms and wet areas.
- Building Regulations Compliant – Meets Approved Document F & L standards.
- Versatile Mounting Options – Suitable for wall, ceiling, window, and panel installation.
- 5-Year Warranty – Durable and backed by Vent-Axia’s extended guarantee.
Technical Specifications
- Mounting Options: Wall, ceiling, window, or panel
- Operation: Intermittent with humidistat and fixed 15-minute timer overrun
- Speed Settings: Variable speed (set at installation)
- Noise Level: From 12dB(A)
- Motor Lifespan: Up to 40,000 hours
- Voltage: 220-240V / 50Hz
- IP Rating: IPX5 (suitable for Zone 1)
- Size: 100mm (4”)
- Shutter Type: Integrated backdraught shutter
✅ Enjoy silent, efficient moisture control with the Vent-Axia VASF100HTV – intelligent ventilation for a fresher space!
C/w Humidistat | Y |
C/w Pullcord | N |
S4 - Size | 100mm / 4 Inch |
Product | Domestic Fans |
Type | Domestic Dual Speed |
Ingress Protection | IPX5 |
Voltage | 230/240 V |
C/w Pir | N |
Air Extraction Rate M3/h | 86 M3/h |
C/w Timer | Y |
Shape | Square |
Maximum Sound Power Level | 12 dB |
Neon Indicator | N |
Max Litres Per Second Rate | 24 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.
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