• Designed to replace furnace, electronic air cleaner and humidifier air (pressure) switches

• Actuated by positive, negative or by pressure differential

• Switch SPDT

• Electrical Rating:  5 amp non-inductive 120 to 277 VAC. 1 amp pilot duty @ 120 VAC

• Air sample line connectors will accept 1/8", 1/4" or 3/8" tubing

• UL & CSA Approved