Safety Relief Valve, Body Material Bronze, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 in, Outlet Size 1 in, Factory Set Pressure 100 psig, Pressure Range 15 to 160 psi, 3, 500, 000 BtuH BtuH, Disc Material Brass, Overall Height 5 5/8 in, Application Heating, Overall Length 9 1/2 in, Seat Material Silicone, Spring Material Alloy Steel, Temp. Range 0 Degrees to 250 Degrees F, Test Lever Test Lever Included. This item has been restricted from sale in the following state (s): []