OEM Compatibility: Eliminates the need for field modifications

Designed with a 1/2-inch bore and a fixed hub

Precise Pressure Regulation: Maintains consistent 3

reducing internal vibration and extending the operational lifecycle of the draft inducer assembly

the York S1-373-25771-000 provides a factory-molded terminal connection that minimizes resistance and prevents voltage drop

Lochinvar & A.O. Smith 100111904 Board 319847-401 OEM Compatibility: Eliminates the needThe 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