Description
The Lochinvar & A.O. Smith 100309869 Integrated Control Board is a genuine OEM replacement part engineered to restore precise, reliable operation to compatible water heaters and boiler systems. Designed to exact manufacturer specifications, this integrated control board serves as the central command hub of your heating system, coordinating ignition sequencing, temperature regulation, safety monitoring, and system diagnostics in a single, compact unit.
Key Features
- Genuine OEM Lochinvar & A.O. Smith replacement part
- Integrated design combines multiple control functions into one board
- Manages ignition sequencing, temperature control, and safety shutdowns
- Built to original manufacturer specifications for direct fit and reliable performance
- Supports system diagnostics and fault monitoring
- Designed for long-term durability in demanding heating applications
Why Choose an OEM Control Board?
Using a genuine OEM integrated control board ensures your heating system operates exactly as designed. Aftermarket substitutes may not meet the precise electrical tolerances or firmware requirements of your Lochinvar or A.O. Smith equipment. This board is engineered to integrate seamlessly with compatible systems, minimizing downtime and reducing the risk of premature component failure.
Application
- Compatible with select Lochinvar and A.O. Smith water heater and boiler models
- Ideal for service technicians performing control board replacements
- Suitable for residential and light commercial heating system repairs
Installation Notes
Installation should be performed by a qualified HVAC or plumbing technician. Always disconnect power before servicing. Refer to the equipment’s original service manual to confirm compatibility and follow all manufacturer wiring diagrams during installation.







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