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When performing York S1-025-30372-000 installation
The set point is adjusted by turning the dial to the desired "open" temperature
Constructed with Class F insulation and encapsulated in a rugged epoxy enclosure
The internal heavy-duty butyl diaphragm ensures the permanent separation of air and system water
The Utica-Dunkirk 3342801 is a high-grade standard burner tube engineered for precise gas-to-air mixture in residential and commercial hydronic systems
Weil McLain 511-624-510 Switch Els PW 17895 When performing York S1-025-30372-000 installationThe Weil McLain 511 624 510 is a high precision pressure differential switch engineered specifically for residential and light commercial hydronic heating systems. Designed for use with Weil McLain HE and HE II boilers (Sizes 3, 4, and 5), this SPDT pressure switch is a critical safety component that monitors inductor fan operation by sensing air pressure differentials. This specific model features a factory calibrated 1. 00" W. C. setting and is