Watts Temperature and Pressure Relief Valve, 1,808,000 BtuH, 125 psi, 4 in Thermostat Length – 40XL-125-210-1″
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; BtuH: 1,808,000; 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