Temperature and Pressure Relief Valve, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Thermostat Length 3 in, Body Height 7 1/2 in, 105,000 BtuH, Factory Set Pressure 125 psi, Max. Temp. 210 Degrees F, Shank Length Extended, Auto Re-Seating Yes, Body Material Bronze, Spring Material Stainless Steel, Body Width 1 1/8 in, Standards Certified ANSI Z21.22 And CSA 4.4, Listed By ASME And CSA