Senses duct pressure via hole in duct between main blower and Duct Booster Fan. Pressure from main blower actuates switch to operate Duct Booster fan automatically. 120-Volt, 15 Amp max. Makes on pressure rise of +.05 .02 W.C. Duct air pressure switch.
- Duct air pressure switch
- Senses positive pressure from air handler blower to activate duct booster fans
- Rated for fan up to 15 Amp at 120-Volt
- Works year-round for both heating and A/C







Reviews
There are no reviews yet.