Temperature and Pressure Relief Valve, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 1/2 in, Outlet Size 1 1/2 in, Thermostat Length 4 in, Body Height 5 5/8 in, 1,200,000 BtuH BtuH, Factory Set Pressure 125 psi, Max. Temp. 210 Degrees F, Shank Length...