Temperature Pressure Relief Valve Inlet Type NPT Outlet Type NPT Inlet Size 3/4 in Outlet Size 3/4 in Thermostat Length 4 in Body Height 7 11/64 in 105 000 (Temperature Steam Discharge Capacity) 200 000 (Pressure Steam Discharge Capacity) BtuH Factory Set Pressure 175 psi Max Temp 210 Degrees F Shank Length 1-1/8 in Auto Re-Seating Yes Body Material Copper Silicon Alloy Spring Material Stainless Steel Body Width 1 5/32 in Standards ASME BAA Compliant CSA