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£18.22 ex. of VAT



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Cat. No. NVF100H - Intervent Ø100mm (4'') Square Bathroom/Toilet Extractor Fan with Adjustable Humidity Control and Integral Adjustable Timer.


  • Designed for wall or ceiling mounting, complying with building regulations on ventilation (F1), through Ø102mm (4'') flexible ducting/rigid pipes or Manrose low profile flat channel ducting systems.
  • Easy to install and maintain, comprehensive wiring and installation instructions are included with each fan.
  • Long life motor - single phase induction motor with pre-oiled bearings fitted for a long maintenance free life.
  • Complete with Humidistat (Humidity Control) which is adjustable between 20% and 95% RH, ideal for installation in bathrooms and shower rooms.
  • Timer model, incorporates integral overrun timer adjustable between 1 and 20 mins.
  • Quiet and efficient - quiet motor has an extract rate of 85 m³/hr, 23 ltrs/sec; Noise: 41.0 dB(A) quiet operation.
  • Manufactured using impact resistant high gloss ABS thermoplastics for strength and durability, aesthetics and easy cleaning.
  • Designed to be fitted into a Ø112mm (4½”) hole cut out.
  • Maximum pressure: 120 p.a.
  • Wattage: single phase 20W.
  • Maximum operating temperature: 40ºC.
  • 220-240V - AC. 50Hz.
  • White finish.

Dimensions (mm):

156mm x 156mm x 28mm (75mm with motor).

Additional information:

The fan is double insulated and does not require an earth. All wiring must comply with current IEE regulations. A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3 amp fuse fitted. The fan must not be accessible to a person using either the shower or bath and mounted a minimum of 1.8 metres from the floor.