Temperature Pressure Relief Valve Inlet Type NPT Outlet Type NPT Inlet Size 3/4 in Outlet Size 3/4 in Thermostat Length 3 in Body Height 8 1/4 in 105 000 (Temperature Steam Discharge Capacity) 200 000 (Pressure Steam Discharge Capacity) BtuH Factory Set Pressure 150 psi Max Temp 210 Degrees F Shank Length 1-1/16 in Auto Re-Seating Yes Body Material Copper Silicon Alloy Spring Material Stainless Steel Body Width 1 7/8 in Standards ASME BAA Compliant CSA