Watts 174A 3/4″ Boiler Pressure Relief Valve

Your Product Description: Watts number 174A bronze body hot water relief valve with a 3/4NPT female x female connection in an angle pattern. This valve is set at 30 psi with 650000 BTU. Bronze safety relief valves are designed for fired hot water pressure vessels to protect against overpressure conditions. They are used on hot water boilers direct fired water heaters or storage tanks with indirect heaters to match the BTU loads of the heat exchangers.