Temperature and Pressure Relief Valve, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Thermostat Length 5 in, Body Height 5 5/8 in, 1,437,600 BtuH, Factory Set Pressure 150 psi, Max. Temp. 210 Degrees F, Shank Length 2 in, Auto Re-Seating No, Body Material Bronze, Spring Material 302 Stainless Steel, Body Width 2 5/8 in, Standards ANSI Z21.22, ASME, CSA, MIL-V-136-12D, Compliance ANS1Z21.22, ASME Section 4, CSA 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. -