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vent-axia-silent-timer-and-humidistat-controlled-100mm-extractor-fan-vasf100ht

Vent-Axia Silent Timer & Humidistat Controlled Bathroom Extractor Fan 100mm - 477436B

5 reviews

£93.48 (Inc. VAT)

In Stock

FREE DELIVERY

Description

Key Features

  • Humidistat and timer control: activates automatically when humidity rises or the light switch is used, then runs for a preset time.
  • Axial fan design: provides smooth, efficient airflow with minimal noise.
  • Zone 1 rated: safe for installation in high moisture areas such as above baths or showers.
  • IP rated: built to handle steamy bathroom environments with reliable protection.
  • Recessed wall and ceiling installation: flexible fitting options to suit different layouts.
  • Portrait or landscape mounting: easy to install in the way that best suits your space.
  • Room suitability: bathroom, utility & toilet

What's Included

The Vent-Axia Silent Timer & Humidistat Controlled Bathroom Extractor Fan 100mm is built to quietly and efficiently clear excess moisture, keeping your bathroom fresh and comfortable. Its axial fan design allows air to flow smoothly and directly through the unit, creating steady ventilation that helps prevent condensation, mould, and lingering damp smells.

Smart Humidistat and Timer Functionality

This fan is designed to respond to your environment. When humidity levels rise, it switches on automatically to remove excess moisture, helping to protect paintwork, plaster, and fittings. It can also be operated through your light switch, continuing to run for a set time after the light goes off to ensure the room is fully ventilated.

Zone 1 Safety and IP Protection

With a Zone 1 rating, this extractor fan is safe to install in moisture-prone areas, including above baths and showers. Its IP rating gives it the right level of protection against steam and water, making it a durable and reliable choice for modern bathrooms.

Flexible and Discreet Installation Options

Whether you prefer wall or ceiling installation, the Vent-Axia Silent Timer & Humidistat Controlled Extractor Fan offers flexibility to suit your layout. It can be installed recessed for a clean, flush finish and works in either portrait or landscape orientation, giving you more control over the look and feel of your bathroom.

Order Yours Today

Upgrade your everyday routine with the Vent-Axia Silent Timer & Humidistat Controlled Bathroom Extractor Fan. It’s smart, quiet, and reliable, offering effective moisture control without any extra effort. Order yours today and enjoy a cleaner, fresher bathroom year-round.

Additional Information:

  • 2 speed adjustment at installation
  • 12dB noise levels (quieter than rustling leaves)
  • Extraction rate of 22 litres per second
  • IPX5 rated means the fan is protected from water jets that are projected by a nozzle (6.3mm) from any angle
  • Meets current Building Regulations Approved Document F and L
  • Suitable for wall, ceiling, window and panel mounting mounting
  • Back draught shutters included
  • 5-year guarantee
Quiet Mark - Extractor Fans

Documents

Technical Drawings

vent-axia-silent-timer-and-humidistat-controlled-100mm-extractor-fan-vasf100ht

Specifications

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Technical

Vent-Axia Silent Timer & Humidistat Controlled Bathroom Extractor Fan 100mm - 477436B – Technical Specifications
Height 159 mm
Width 159 mm
Overall Depth 121 mm
Protruding Depth 38 mm
Fan Size (Metric) 100 mm
Fan Size (Imperial) 4 Inches
Max Flowrate 22 Lts/sec
Control Type Humidistat & Timer
Fan Speeds 2
Mounting Location Wall + Ceiling
Fan Shape Square
IP Rating X5
Max Noise Level 12 Db
Bathroom Installation Zone Zone 1
Installation Kit Included No
Room Suitability Bathroom + Toilet + Utility
Range Name Silent
Guarantee 5 Years

Vent-Axia Silent Timer & Humidistat Controlled Bathroom Extractor Fan 100mm - 477436B

Product Code: PWVENT008
In Stock
Save £16.51 | Was £109.99

£93.48 (Inc. VAT)

FREE STANDARD DELIVERY* *exclusions apply, see here
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Plumbworld £93.48
B&Q £109.99
Screwfix.com £109.99
Trading Depot £111.67
Victorian Plumbing £119.95
TLC Electrical £126.18

Prices last checked on 06/05/2026
All prices are including VAT and excluding delivery charges


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★★★★★ 4.6/5
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5 Product Reviews

Add your own review
  • 5/ 5
    Chris rated this 5/5
    ★★★★★

    Great service, very very good price will definitely use plumbworld again. Five stars

  • 5/ 5
    Al rated this 5/5
    ★★★★★

    Used this to replace a broken 20 year old bathroom fan, installation was very plug & play with fixing positions and cabling in the same place. When I switched it on I had to double-check that it was actually running, it was so quiet. Performance seems good (it's only on low speed currently but seems to do ok). One thing to be aware of is the requirement for access to both sides if the fan in order to remove the cover; mine's in a corner which makes this quite difficult. Overall I can highly recommend this product.

  • 5/ 5
    Jess Parkin rated this 5/5
    ★★★★★

    Great fan at a great price with super quick delivery :-)

  • 4/ 5
    David R rated this 4/5
    ★★★★

    I bought this to replace an existing Vent-Axia fan in a shower room. The wiring entry is reversed on this fan so I had to install it upside down (no biggie). I ran it initially on the low setting and found it ran virtually continuously. Once I switched to the high setting I managed to get the humidistat to operate correctly and turn off the fan but it took me several days of tinkering. It made a big difference if the shower room door was wide open or ajar. Leaving the door wide open worked consistently well. I use a Karcher window vac to clear the shower and tray - that helps speed things up.

  • 4/ 5
    John Bristol rated this 4/5
    ★★★★

    Very good value from Plumbworld...30%+ cheaper than Screwfix. Delivered on time, and fitted easily...replacing same fan that only lasted about 3 years. Warranty is 2 years. Item is as described, works well and, despite what some others say, I found it to be very quiet. 4 Star due to dubious reliability. Plumbworld excellent service and price.

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