Adjustable Relief Valve Body Material CPVC Inlet Type FNPT Outlet Type FNPT Inlet Size 1/2 in Outlet Size 1/2 in Factory Set Pressure 25 psi Pressure Range 5 to 75 psi Disc Material CPVC Overall Height 6 3/4 in Overall Length 2 5/7 in Seat Material FPM Spring Material Coated Stainless Steel Temp Range 40 Degrees to 140 Degrees F Test Lever No