Description
Lochinvar & A.O. Smith 100276784 Integrated Control Board
The Lochinvar & A.O. Smith 100276784 Integrated Control Board is a factory-authorized replacement component engineered to restore and maintain the precise operation of compatible Lochinvar and A.O. Smith heating systems. As the central command hub of the appliance, the integrated control board coordinates ignition sequencing, burner operation, safety lockout functions, and system diagnostics — ensuring your equipment performs at peak efficiency and reliability.
Key Features
- OEM-compatible integrated control board designed for Lochinvar and A.O. Smith heating equipment
- Manages ignition sequencing, burner control, and safety shutdown functions
- Supports system diagnostics to simplify troubleshooting and service
- Direct replacement for failed or damaged control boards — no modifications required
- Manufactured to meet original equipment specifications for dependable long-term performance
- Helps restore full system functionality and minimize equipment downtime
Application
This integrated control board is intended for use in compatible Lochinvar and A.O. Smith residential and commercial heating appliances. Always verify compatibility with your specific model and serial number before installation. Consult the equipment service manual or contact a qualified HVAC technician for proper installation guidance.
Why Choose an OEM Replacement?
Using a genuine OEM-spec replacement control board ensures your system operates within the manufacturer’s designed parameters, preserving warranty coverage where applicable and reducing the risk of nuisance lockouts or premature component failure. The 100276784 is the correct part for the job — no guesswork, no workarounds.





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