Pressure Relief Valve; Type Pressure; Inlet Size 3/4 Inch; Outlet Size 3/4 Inch; End Connection Male Threaded x Female Threaded; Body Material Bronze; Spring Material Stainless Steel; Seal Material Silicone; Set Pressure Range 30 PSI; Pressure Rating 30 PSI; Inclusions/Features Bronze Seat, High Heat Resisting Silicone Disc; Application Commercial, Residential, Hot Water Boiler; Applicable Standard ASME, HV, NB, ISO 9001; Steam Pressure Discharge Capacity 510000 BTU/Hour