Adjustable Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Factory Set Pressure 400 psi, Pressure Range 301 to 400 psi, 0 BtuH BtuH, Disc Material 316 Stainless Steel, Overall Height 6 1/4...