Temperature and Pressure Relief Valve, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 1 in, Outlet Size 1 in, Thermostat Length 4 in, Body Height 6 1/4 in, 1,808,000 BtuH, Factory Set Pressure 125 psi, Max. Temp. 210 Degrees F, Auto Re-Seating No, Body Material Bronze, Body Width 2 3/4 in, Standards ANSI Z21.22, ASME, CSA, MIL-V-136-12D WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -