Adjustable Relief Valve Body Material CPVC Inlet Type FNPT Outlet Type FNPT Inlet Size 1 in Outlet Size 1 in Factory Set Pressure 25 psi Pressure Range 5 to 75 psi Disc Material CPVC Overall Height 8 3/4 in Overall Length 3 1/2 in Seat Material EPDM Spring Material Coated Stainless Steel Temp Range 40 Degrees to 140 Degrees F Test Lever No