Vacuum Relief Valve, Body Material Brass, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Pressure Range 0 to 200 psi, Disc Material Silicone, Overall Height 2 1/2 in, Application Commercial Hot Water Supply Systems, Pressure Vessels Against Negative Pressure, Overall Length 1 3/4 in, Seat Material Silicone, Spring Material Stainless Steel, Temp. Range 0 Degrees to 212 Degrees F, Test Lever Test Lever Not Included, Compliance ASSE, CSA, IAPMO
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