Temperature and Pressure Relief Valve, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 In., Outlet Size 3/4 In., Thermostat Length 3-1/16 In., Body Height 3 In., 500,000 BtuH, Factory Set Pressure 150 psi, Max. Temp. 210 Degrees F, Shank Length 1-3/16 In., Auto Re-Seating Yes, Body Material Bronze, Spring Material Stainless Steal, Body Width 1-5/32 In., Standards ANSI Z21.22, CSA 4.4, Compliance ANSI Z21.22/CSA 4.4FeaturesBtuH: 500,000Item: Temperature and Pressure Relief ValveMax. Temp.: 210 Degrees FBo...