Description
Lochinvar & A.O. Smith 100208561 Flue Sensor Overview
The Lochinvar & A.O. Smith 100208561 Flue Sensor is a genuine OEM replacement part engineered to maintain safe and efficient operation of compatible water heaters and boilers. Designed to monitor flue gas temperatures, this sensor helps ensure the appliance operates within safe parameters — protecting both the equipment and the building occupants.
Key Features
- OEM replacement flue sensor for Lochinvar & A.O. Smith equipment
- Monitors flue gas temperature to support safe appliance operation
- Engineered for precise fit and reliable performance in compatible units
- Helps prevent overheating and supports proper venting system function
- Direct replacement minimizes downtime during service calls
Application
This flue sensor is intended for use with select Lochinvar and A.O. Smith water heaters and boilers. Always verify compatibility with your specific model before installation. Consult the equipment’s service manual or contact your distributor for full compatibility details.
Why Choose OEM Parts?
Using genuine OEM replacement components like the 100208561 ensures that your equipment continues to meet manufacturer specifications, supports warranty compliance, and delivers the long-term reliability your customers expect.







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