Relief Valve; Type Pressure; Applicable Standard ANSI B1.20.1, ASME B16.18, NSF/ANSI 61; Inlet Size 1"; Outlet Size 1"; End Connection Threaded Union x Soldered; End to End Distance 5-1/8"; Body Material Brass; Seal Material PTFE Stem Seal, Brass Packing Gland; Set Pressure Range 150 PSI; Temperature Rating 100 to 180 Deg F; Pressure Rating 500 PSI WOG; Inclusions/Features Hot and Cold Set, Adjustable Packing Gland, Hi-Flow Hose Drain, Pressure Relief Valve Outlet; Application Commercial, Residential, Portable Water; Capacity 200000 BTU/HR; Packaging Quantity 1 per Carton; Warranty Lifetime Limited