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ensuring safe combustion gas venting
Standardized Threading: Uses a 1-14 UNC thread size compatible with standard Rotalock fittings and gaskets
While it can physically break a circuit
the 018F4100 is the direct replacement for 018F7683
To use it in an LP system
Watts 0275174 Relief Valve R-22 ensuring safe combustion gas ventingFor high capacity pressure protection in commercial and residential hydronic systems, the Watts 0275174 Series 174A provides a critical safety boundary for hot water heating boilers. This 1 inch NPT pressure relief valve is engineered with a rugged bronze body construction and is factory calibrated to a 75 PSI set pressure, delivering a substantial steam discharge capacity of 2,055,000 BTU hr. Its internal stainless steel spring and non metallic disc
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US$ 118.99
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