Watts 174A-3/4-50 Boiler Pressure Relief Valve

Boiler Pressure Relief Valve; Type Lever; Inlet Size 3/4 Inch; Outlet Size 3/4 Inch; End Connection Female Threaded x Female Threaded; Body Material Bronze; Spring Material Stainless Steel; Seat Material Metal; Disc Material Non-Metallic; Set Pressure Range 50 PSI; Temperature Rating 250 Deg F; Pressure Rating 30 to 150 PSI; Inclusions/Features Seat Located Above Drain, Non-Metallic Disc to Metal Seat, Test Lever; Application Hot Water Heating Boiler; Applicable Standard ASME, NB, HV, MIL-V-18634B, Type I, Class 3A, Style A; Capacity 650000 to 2445000 BTU/Hour; Overall Dimension 2-3/4 Inch Width x 4-1/2 Inch Height