Watts 0121470 Relief Valve Refrigerant and D2CG series models

and D2CG series models

While internal vent limiting options exist

The stainless steel power element and integrated check valve functionality make this an essential component for bi-flow heat pump operations

For precise field tuning

Watts 0121470 Relief Valve Refrigerant and D2CG series modelsThe Watts 0121470 (LF174A) 3 4" water pressure relief valve is a critical safety component designed for hot water heating boilers and hydronic systems. Engineered with a lead free copper silicon alloy body, this valve ensures compliance with low lead regulations while providing a high capacity discharge of 1,320,000 BTU hr at a fixed 75 PSI set pressure. The large diaphragm operated design minimizes the risk of seat sticking, while the non mechanical