Description
The Lochinvar & A.O. Smith 100309870 Integrated Control Board is a genuine OEM replacement part engineered to restore full system functionality to compatible Lochinvar and A.O. Smith water heating and boiler equipment. Designed as a direct drop-in replacement, this integrated control board delivers reliable, precise management of burner sequencing, safety interlocks, and operational diagnostics — keeping your system running at peak performance.
Key Features
- Genuine OEM integrated control board for Lochinvar and A.O. Smith equipment
- Engineered for direct replacement — no modifications required
- Manages critical system functions including burner sequencing and safety controls
- Supports reliable ignition, flame monitoring, and fault diagnostics
- Built to OEM specifications for long-lasting, dependable performance
- Helps minimize downtime with a precise fit and function match
Application
This integrated control board is intended for use in compatible Lochinvar and A.O. Smith water heaters and boiler systems. Always verify compatibility with your specific model number before installation. Refer to the equipment’s service manual for proper installation procedures and safety guidelines.
Why Choose OEM Replacement Parts?
Using genuine OEM components like the 100309870 ensures your equipment operates within factory-specified parameters, preserving warranty coverage, maintaining system efficiency, and reducing the risk of premature component failure. Trust Lochinvar and A.O. Smith quality to keep your system performing reliably season after season.







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