Air Sensing Switch HVAC/General Purpose Differential (In. WC) 0.02 to 0.8 SPDT Switch Type Pressure Setting Range (In. WC) 0.05 to 12.0 Electrical Rating 300 VA Pilot Duty Sample Line Connector Integral Compression Height (In.) 6 1/8 in Width (In.) 3 7/8 in Depth (In.) 3 5/8 in Mounting Holes O.C. (In.) - Any Vertical Surface Operating Temp Range (F) -40 to 180 Control Electronic Air Cleaners Humidifiers Refrigeration Equipment Where Air Flow must be Proved Features -