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The unit utilizes pressure actuated bellows for reliable mechanical movement
High Power Capacity: The 100VA rating provides ample overhead for complex systems with multiple contactors
leak-resistant connection to the high-side tap
Its all-in-one design streamlines installation and enhances flame detection reliability
Watts 0121479 Valve Freon The unit utilizes pressure actuatedFor high demand hydronic systems and hot water space heating boilers, the Watts 0121479 (model LF174A 3 4 125) provides critical overpressure protection. This lead free boiler pressure relief valve is engineered with a lead free copper silicon alloy body to ensure durability and compliance in various installations. Featuring a 3 4 inch NPT female inlet and outlet, it manages a broad 2,070,000 BTU hr capacity at a fixed 125 PSI relief setting. The non