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Avoid use on deep sump models
The hub is machined for a standard 1/2 inch bore
Its non-bellows EPDM seal provides superior performance compared to traditional mechanical bellows
Always check your specific wiring diagram for the part number
Watts 0121470 Relief Valve Els PW 29614 Avoid use on deep sumpThe 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
US$ 619.00
US$ 274.50