Boiler Safety Relief Valve; Type Standard Outlet; Inlet Size 3/4 Inch; Outlet Size 3/4 Inch; End Connection Female Threaded x Female Threaded; Body Material ASTM B584 Bronze; Spring Material Plated Alloy Steel; Seat Material Silicone; Disc Material ASTM B16 Brass; Set Pressure Range 125 PSIG; Temperature Rating 250 Deg F; Inclusions/Features Brass Insert, Fabric Reinforce EPDM Diaphragm, Silicone Spacer, Bronze Alloy Cap, Aluminum Nameplate, Plated Steel Lift Handle; Application Hot Water Supply System, Commercial; Applicable Standard ASME, CE, NB, ISO 9001
High BTU capacity rating Fabric reinforced molded diaphragm isolates spring from water at all times Protects against excessive water pressure due to failure of controls to regulate BTU input Made in USA