Durable Construction: High-quality materials designed to withstand the thermal stresses of commercial steam and chilled water service

5-inch furnace cabinets and air handler units

Precise 5-50 PSI delivery pressure range for versatile system calibration

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

310263-779

Lochinvar & A.O. Smith 100111904 Board 319847-401 Durable Construction: High-quality materials designedThe 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