Temperature Pressure Relief Valve Inlet Type NPT Outlet Type NPT Inlet Size 1/2 in Outlet Size 1/2 in Thermostat Length 8 in Body Height 11 1/2 in 15 000 BtuH Factory Set Pressure 150 psi Max Temp 210 Degrees F Shank Length 7/8 in Auto Re-Seating Yes Body Material Bronze Spring Material Stainless Steel Body Width 1 3/4 in Standards ASME BAA Compliant CSA Compliance ASME BAA Compliant CSA