VT20M Pgrm Fan Main Ctrl

Push-button main control with 20 minute boost

Item Number: 45386

The VT20M intermittent Fan Control is designed to meet whole-house ventilation needs outlined in ASHRAE 62.2 Standard.


The model VT20M controller enables the exhaust fan to run at a pre-set speed for a pre-set portion of each hour, 24 hours a day. The high speed override button enables the fan to run at full speed for 20 minutes when needed, for example to vent steam from a bathroom.


Technical parameters

Norminal data
Voltage (nominal) 115 V
Input current 2.5 A
Dimensions and weights
Weight 0.5 lb