Pneumatic Thermostat, Direct Acting, Vertical Cover, Control Range 3 to 15 psi, 5/32 Barb Air Connections, Contact Action DA, 25, Max. Safe Operating Temp. (F) 135, Height (In.) 2-3/32, Width (In.) 3-1/8, Depth (In.) 1-3/4, Min. Pressure (PSI) 3, Control Range (F) 55 to 85