WATTS Combination Temperature and Pressure Releif Valve 3/4"-4" coated element 150 PSI setting
Solid Brass-A.S.M.E. Rating 450,000 BTU/hour A.G.A. Temp. H.U.D./F.H.A. Steam rating- 100,000 BTU/hour, F.H.A. ANSI Z21-22, Temp. Releif 210 degrees