Lochinvar & A.O. Smith 100111904 Board 322838-752 This SPST open-high pressure switch

This SPST open-high pressure switch is engineered to protect compressors from excessive head pressure by interrupting the electrical circuit when system pressure exceeds the user-defined setpoint

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Lochinvar & A.O. Smith 100111904 Board 322838-752 This SPST open-high pressure switchThe Lochinvar & A. O. Smith 100111904 Power Distribution Board is a critical OEM replacement part engineered for high performance commercial water heating systems and boiler controls. As a primary voltage distribution center, this board manages the complex electrical pathways necessary for heating cycle regulation and robust system diagnostics. Designed to meet the precise tolerances of Lochinvar and A. O. Smith hydronic systems, it facilitates