Lochinvar & A.O. Smith 100109976 Control Board R-410A Integrated Diagnostics: Provides on-board fault

Integrated Diagnostics: Provides on-board fault monitoring for rapid troubleshooting of sensor errors and communication failures

eliminating the mounting and calibration headaches common with universal aftermarket switches

Common Questions Is the 14004213-001 compatible with direct-acting MP953 actuators

Maintain the exhaust integrity and operational safety of your high-efficiency heating systems with the Lochinvar & A

The HC40GE230 is typically electrically reversible

Lochinvar & A.O. Smith 100109976 Control Board R-410A Integrated Diagnostics: Provides on-board faultThe 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