Combination Fill and Relief Valve Body Material Iron/Bronze Inlet Type Union Solder Outlet Type FNPT Inlet Size 1/2 in Outlet Size 1/2 in Factory Set Pressure 30 psi Pressure Range 10 to 25 psi Disc Material Silicone Overall Height 5 5/16 in Overall Length 7 in Seat Material Bronze Spring Material Stainless Steel Temp Range 0 Degrees to 212 Degrees F Test Lever Yes