Safety Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 1 in, Factory Set Pressure 50 psi, 0 BtuH BtuH, Disc Material Stainless Steel, Overall Height 7 3/8 in, Overall Length 7 3/8 in, Spring Material Stainless Steel, Temp. Range -320 Degrees to 406 Degrees F, Test Lever Test Lever Not Included, Standards ASME Code UV, CE, CRN, NB. This item has been restricted from sale in the following state (s): []