Quiet-Vent White Momentary Boost and Light Switch

Quiet-Vent White Momentary Boost and Light Switch Product Part Number White Momentary Boost and Light Switch - QV-Switch2 How it Works Press and hold switch for 1 second to operate fan Timer is adjusted on MVHR unit 1-30 minute Suitable for MVHR units with internal timer and with use with external timer box (c-timer) Boosts fan to high output levels for up to 30 minutes