Air Pressure Switch Application Energy Management HVAC Contact Form Not Applicable Electrical Connection Type Not Applicable Electrical Rating Not Applicable Housing Material Steel Housing Type Open Mounted Input Voltage Not Applicable Maximum Differential Pressure Setting 0.8 in wc Maximum Operating Temperature 135 Degrees F Maximum Pressure Rating 1 psi Maximum Pressure Setting 2 in wc Minimum Differential Pressure Setting 0.02 in wc Minimum Operating Temperature 0 Degrees F