Automatic Temperature Gas Shutoff Valve Inlet Type FNPT Outlet Type FNPT Inlet Size 1/2 in Outlet Size 1/2 in Thermostat Length 7 13/16 in Body Height 11 15/16 in 150 000 Natural Gas 243 000 LP Gas BtuH Factory Set Pressure 150 psi Max Temp 210 Degrees F Shank Length 1-7/8 in Auto Re-Seating No Body Material Lead Free Copper Silicon Alloy Body Width 2 1/2 in Standards ANSI Z21.87