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How do I know if my blower housing needs replacement
Enhanced Sensor Protection: Integrated ePTFE filter prevents sensor drift caused by moisture and contaminants
Rugged Build Quality: Built by APCOM to withstand the high-temperature environments typical of commercial water heating applications
This is a standard 240V control designed for residential electric heater circuits
Engineered with high-sensitivity electrodes
Lochinvar & A.O. Smith 100109976 Control Board 321894-708 How do I know ifThe Lochinvar & A. O. Smith 100109976 Control Board is a critical integrated electronic control module designed for high efficiency boilers and commercial water heaters. This OEM replacement part acts as the central microprocessor, managing ignition sequences, flame proving, and safety limit monitoring. It is a direct successor to the AO Smith 9004600205, ensuring backward compatibility with legacy systems. The addition of the cable assembly harness
