Watts 374A-3/4 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 Iron; Spring Material Stainless Steel; Seat Material Metal; Disc Material Non-Metallic; Set Pressure Range 30 PSI; Pressure Rating 30 to 150 PSI; Inclusions/Features Non-Metallic Disc to Metal Seat, Seat Located above Drain; Application Hot Water Space Heating Boiler; Applicable Standard ASME, NB, HV, MIL-V-18634B, Type I, Class 3A, Style B; Capacity 550000 BTU/Hour; Overall Dimension 3-5/8 Inch Length x 2-1/2 Inch Width; Inlet Material Forged Brass