Description
Lochinvar & A.O. Smith Thermopile Assembly — Part No. 100281571
The Lochinvar & A.O. Smith 100281571 is a direct OEM replacement Thermopile Assembly designed to restore dependable pilot-generated power to compatible water heaters and boilers. Thermopiles convert heat from the standing pilot flame into the millivoltage required to hold the main gas valve open, making this component essential to safe and consistent appliance operation. Replacing a worn or failed thermopile with the correct OEM part ensures proper millivolt output, accurate fit, and long-term reliability.
Key Features
- OEM replacement thermopile assembly for Lochinvar & A.O. Smith equipment
- Generates millivoltage from pilot flame heat to power the gas valve circuit
- Direct-fit design for straightforward installation with no modifications
- Restores reliable ignition and safe appliance operation
- Manufactured to Lochinvar & A.O. Smith quality standards
Application
- Compatible with select Lochinvar & A.O. Smith water heaters and boilers using standing pilot ignition systems
- Verify compatibility using your unit’s model and serial number before ordering
Why Choose OEM Parts?
Using genuine OEM replacement components like the 100281571 Thermopile Assembly ensures the part meets the original design specifications of your Lochinvar or A.O. Smith appliance. This minimizes the risk of premature failure, maintains warranty compliance where applicable, and supports peak system performance.







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