Iron body relief valve for pressure protection of all types of hot water heating boiler equipment. Pressure range up to 30 lb. 550,000 BTU/hr., 3/4 I.P.S. Female inlet and outlet connections. Forged bronze inlet. No. 374A: Size: 3/4″ FIPS X 3/4″FIPS, Material: Forged Bronze, Pressure Rating: Up – 30 psi
