This pressure switch by S&P has a premium air pressure sensor that identifies dryer operation and activates the booster fan. The switch only stays on if it recognizes positive pressure and will keep the fan on for ten-minute intervals if there is continual pressure. This pressure switch comes with a mounting bracket and it is made to mount on a rafter or joist. This item ships via UPS.
An Aoife Company LLC Store
500 Bic Drive, Suite 103, Milford, CT 06461
Tel: (203) 374-5425 Fax: (203) 373-0810