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Built for high-cycling reliability
It is primarily used in hydronic heating
The 755-50 is typically used as the upper control in a two-element system or as the primary control in a single-element series circuit where a full power disconnect is required
minimizing stem leakage and extending the service life of existing infrastructure without requiring a full valve body replacement
Lochinvar & A.O. Smith 100208250 Transformer Els PW 17895 Built for high-cycling reliabilityThe Lochinvar & A. O. Smith 100208250 Transformer is a heavy duty, field proven component designed to provide stable 24V secondary voltage for high efficiency commercial and residential boiler systems. Engineered with a 120V primary voltage input and a robust 50VA power rating, this step down transformer delivers the necessary current to drive ignition modules, HVAC control boards, and gas valves without the risk of thermal overload associated with