Description
Lochinvar & A.O. Smith 100208478 Control Board
The Lochinvar & A.O. Smith 100208478 is a direct-replacement control board engineered to restore full functionality to compatible Lochinvar and A.O. Smith heating systems. Designed to OEM specifications, this control board ensures seamless integration with the original equipment, minimizing downtime and simplifying the replacement process for HVAC technicians and service professionals.
Key Features
- OEM-specified replacement control board for Lochinvar & A.O. Smith equipment
- Engineered for precise compatibility with original system wiring and controls
- Supports reliable ignition sequencing, safety lockout, and system diagnostics
- Designed for straightforward drop-in installation to reduce service time
- Helps restore peak system efficiency and operational reliability
- Manufactured to meet original equipment performance standards
Application
This control board is intended as a service replacement part for qualified HVAC technicians working on Lochinvar and A.O. Smith heating appliances. Always verify compatibility with the specific model and serial number of the unit being serviced before installation.
Why Choose OEM Replacement Parts?
Using genuine OEM-specified replacement components like the 100208478 control board ensures your system operates as originally designed — maintaining safety, efficiency, and warranty compliance. Avoid costly callbacks and repeat service visits by installing the correct part the first time.







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