Manrose 4.3W LoWatt Axial Bathroom Extractor Fan - LW100S

Manrose 4.3W LoWatt Axial Bathroom Extractor Fan - LW100S

Quick Find Code: LW100S

3 Year Warranty
Free Delivery on orders over £30 (excluding Highlands and Islands)


Applicable AreaBathroom, Toilet
Extractor TypeAxial
Fan Size Diameter100 mm
Fan Size Diameter Inches4 INCH
Fan Speeds1
Finish Or ColourWhite

£30.49 (inc. VAT)

Show ex. VAT

Buy more, save more!

QuantityPrice (inc. VAT)Saving Per Item
3+£29.89Save 2%
6+£29.58Save 3%

Product Overview

The Manrose Lo-Watt range of 100mm (4") Bathroom/ Toilet Fans has been designed with energy saving in mind. Using brushless motors the Lo-Watt uses just 4.3 watts but still extracts an impressive 75m3/hr.Attractively styled in high gloss ABS thermoplastics for modern appearance and ease of cleaning, designed for easy installation and can be wall or ceiling mounted.There are several options available; Standard model for remote switching, integral Pullcord units, and Timer models which incorporate an electronic over-run timer which may be set up to 20 minutes. Humidistat Control models are also available which are designed to switch on the fan as the humidity rises in the bathroom and off as it drops.


  • The Lo-Watt fan is Designed for wall mounting only
  • Standard/timer/humidity versions available
  • Reduces power consumption
  • Uses up to 80% less energy compared to a standard fan
  • Lower running costs
  • SELV (Safety Extra Low Voltage) models also available
  • Quiet and efficient, the 100mm (4”) series has an impressive extract rate of 75m3/hr, 21 litres per second
  • The units are all manufactured using high ABS thermoplastics for strength and durability, aesthetics and easy cleaning
  • Designed to comply with the Building Regulations on Ventilation (F1)
  • SFP (Specific Fan Power) 0.29


  • Single Phase consuming 4.3 Watts.
  • Voltage: 220-240V - AC. 50Hz
  • Maximum pressure: 20 p.a
  • 75m3/hr at 21 litres per second
  • Fan speed: 3123 r.p.m
  • Sound volume: 38.0 dB(A)
  • Maximum operating temperature: 45ºC
  • Colour: White
  • Mounting: Wall
  • Application: Bathroom
  • Hole Size: 4"
  • Type of Extractor: Axial
  • Number of Speeds: 1
  • Extraction Rate: 21 litres per second
  • Dimensions: Height: 163mm x Width: 163mm x Depth: 97mm


Applicable AreaBathroom, Toilet
Extractor TypeAxial
Fan Size Diameter100 mm
Fan Size Diameter Inches4 INCH
Fan Speeds1
Finish Or ColourWhite
IP RatingIP44
Lip Depth30 mm
Low Energy Low CarbonYes
Minimum Voltage220 v
power consumption4.3 w
Voltage240 v
Height163 mm
Weight0.6 KG
Width163 mm
Free UK Next Working Day Delivery applies to thousands of qualifying products

Free UK Next Working Day Delivery on All Qualifying Orders Over £30. Orders under £30 will incur a £3.95 Delivery Fee.

This Excludes Delivery to the Scottish Highlands, Offshore Islands and Northern Ireland. These will be charged at an extra rate, which will be calculated at the checkout.

Heavier Items may also incur an extra fee.

Please note all orders placed over a weekend or Bank Holiday will be dispatched the following working day.

Price Match Promise

Here at we offer so much more than the best prices. Not only will you find our products at competitive prices but you can guarantee that what we offer will be of the highest quality. If you find a product you’re interested in at a cheaper price, we’ll match it! All you need to do is get in touch with our team by filling in the form below, provide a link to where you found the product cheaper and we will get back to you within three working hours!

Frequently Asked Questions

No FAQs found. If you have a specific question about a product, please get in touch.