Why doesn't my CV/LVCV fan turn off?

Modified on Tue, 14 Mar 2023 at 11:27 AM

The CV and LVCV range of extractor fans are Constant Volume fans. They are designed and manufactured to run constantly (24/7) unless turned off at the isolation switch. These types of fans, also referred to as trickle ventilation, run at a lower extract rate than normal intermittent extractor but allow for the air in the room to be constantly refreshed.

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Applicable models

Simply Silent Constant Volume - CV4S CV4R CV4SR

Simply Silent Constant Volume Low Voltage - LVCV4R LVCV4S LVCV4SR

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