Temperature Pressure Relief Valve Inlet Type NPT Outlet Type NPT Inlet Size 3/4 in Outlet Size 3/4 in Thermostat Length 3 1/2 in Body Height 8 in 105 000 BtuH Factory Set Pressure 150 psi Max Temp 210 Degrees F Shank Length 1-1/4 in Auto Re-Seating Yes Body Material Bronze Spring Material Stainless Steel Body Width 1 7/8 in Standards ANSI Z21.22 ASME BAA Compliant CSA Compliance ANSI Z21.22 ASME BAA Compliant CSA