Air Pressure Switch Application Duct Heater Control Humidity Detection and Control Air Flow Control Contact Form SPDT Electrical Connection Type Screw Terminals Electrical Rating 9.8 A @ 120V Housing Type Conduit Box Includes Mounting Bracket Maximum Differential Pressure Setting 0.195 in wc Maximum Operating Temperature 167 Degrees F Maximum Pressure Rating 1 psig Maximum Pressure Setting 5 in wc Minimum Differential Pressure Setting 0.045 in wc