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Silent Design 150

Ultra Quiet WC & Bathroom Extractor Fan

The Silent Design 150 is a 150mm domestic axial extractor fans for wall or ceiling installations.

Ideal for kitchen and utility room ventilation, the Silent Design 150 extractor fan incorporates motors mounted on silent elastic blocks to deliver incredibly silent running with exceptional performance.

The fans are IP45 rated and can be installed in Zone 1.

Key Features

  • Quiet Operation
    Quiet Operation
  • Adjustable Timer
    Adjustable Timer
  • 5 Year Warranty
    5 Year Warranty
  • Pullcord
    Pullcord
  • Adjustable Humidity Sensor
    Adjustable Humidity Sensor
About

Innovative Silence

The Silent Design 150 extractor fan is the result of a long and meticulous development process by the Research, Development & Innovation Department at EnviroVent, who have patented a new concept; bringing about a revolutionary change in extractor fan design to extract the maximum airflow with the minimum noise possible.

High Performance

Due to the advanced design of the components, the range delivers incredibly silent running in addition to offering stylish and innovative features.

Multiple Applications

The Silent Design 150 extractor fan is available with a variety of functions including intelligenty times, PIR detectors, adjustable times and adjustable humidity sensors.

Interchangeable Colour Bars

The Silent Design 150 comes with interchangeable colour bars let the fan blend in with every setting. 4 colours to match the decor of the room: blue, red, green and yellow.

Product Codes
SIL DES 150 S
SIL DES 150 T
SIL DES 150 P
SIL DES 150 HT
SIL DES 150 HTP
SIL DES 150 X
Product Specification
Question & Answers

Why is my Silent fan running continuously?

This may be due to incorrect wiring, please have a qualified electrician check this with the install guide and speak to the EnviroVent technical department if required. It may also be due to an incorrectly set humidity sensor (model dependant). If a humidity sensor version is fitted the sensitivity can be adjusted on the fan. Adjusting clock wise will make the sensor less sensitive, anticlockwise will make the sensor more sensitive to humidity.

My Silent fan will not run:

If a fan will not operate, a qualified electrician will need to check the wiring, ensuring the fan is wired correctly and receiving power.

Should I remove the tape on the inside of the Silent HT fan?

No, this is Hydroscopic tape, it is to protect the sensor from moisture, but will allow vapour through. Removing this may damage the sensor and invalidate the warranty.

How do I get the front cover off my Silent fan?

Always isolate power first. The cover can be removed by firstly pushing the small reseeded retaining point on one of the edges of the fan, then slowly unclipping the rest of the cover with a small flat screw driver.

What wiring does the Silent T and HT require?

The fans require a permanent live and neutral and a switch live (to trigger the fan)

Can I fit a 230V fan in zones 1 or 2 of a bathroom?

Yes, as long as the circuit is protected by a 30mA RCD
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