Description
Lochinvar & A.O. Smith Flue Sensor Kit — SKU 100208571
The Lochinvar & A.O. Smith 100208571 is a genuine OEM Flue Sensor Kit engineered to deliver reliable flue temperature sensing for Lochinvar and A.O. Smith water heaters and boilers. Designed as a direct OEM replacement, this kit helps maintain accurate monitoring of flue gas conditions — a critical function for safe combustion performance and equipment longevity.
Why Flue Sensor Accuracy Matters
The flue sensor plays a vital role in your heating system’s safety and efficiency. By continuously monitoring flue temperatures, it enables the control system to detect abnormal exhaust conditions, protect the heat exchanger, and ensure proper venting. Using a genuine OEM sensor kit guarantees compatibility and performance that aftermarket alternatives may not match.
Key Features
- Genuine OEM replacement flue sensor kit from Lochinvar & A.O. Smith
- Engineered for direct, drop-in compatibility with applicable Lochinvar and A.O. Smith models
- Supports accurate flue temperature monitoring for safe combustion control
- Helps protect heat exchangers and venting systems from overtemperature conditions
- Designed for reliable, long-term performance in demanding hydronic and water heating applications
Application
This flue sensor kit is intended for use with select Lochinvar and A.O. Smith water heaters and boilers. Always verify compatibility with your specific model number before installation. Consult the equipment’s service manual or contact your local HVAC/plumbing distributor for guidance.
Installation Notes
- Installation should be performed by a qualified HVAC or plumbing technician
- Refer to the OEM service documentation for proper mounting location and wiring procedures
- Ensure the system is de-energized and cooled before replacing any sensor components







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