Pneumatic Thermostat Direct Acting Heating and Cooling Single Temperature Control Air Pressure 0 to 25 psi Air Connections 1/4 in Barb Element Type Bulb Capillary Length 42 in Max Air Pressure 25 psi Max Ambient Temp 150 Degrees F Mounting Style Vertical Height 4 in Width 5 in Depth 5 in Temp Control Range 60 Degrees to 150 Degrees F Air Consumption 1.5 scim Throttling Range 60 Degrees to 150 Degrees F Includes Mounting Bracket