Watts 3/4" 474A Pressure Relief Valve (125 psi)

Bronze body safety relief valves for pressure protection only of all types of hot water heating boiler equipment. Factory set at 125 psi (8.8 bar) with a high rating of 1, 700,000 Btu/Hr. Features: Seat elevated above outlet Non-mechanical seat-to-disc alignment Water seal of high temperature resisting material isolates spring working parts from water during relief