Description
The Lochinvar & A.O. Smith 100297134 is a genuine OEM flame sensor designed as a direct replacement for compatible Lochinvar and A.O. Smith heating equipment. Flame sensors play a critical role in burner safety — detecting the presence of a flame and signaling the control board to keep the gas valve open. A failed or degraded flame sensor is one of the most common causes of short-cycling, nuisance lockouts, and no-heat calls, making this an essential service part for any technician working on Lochinvar or A.O. Smith boilers and water heaters.
Key Features
- Genuine OEM replacement part from Lochinvar & A.O. Smith
- Direct drop-in replacement — no modifications required
- Ensures accurate flame detection for safe burner operation
- Helps eliminate nuisance lockouts caused by a worn or contaminated sensor
- Restores proper communication between the burner assembly and control board
- Manufactured to OEM specifications for reliable, long-lasting performance
Application
This flame sensor is engineered specifically for use with Lochinvar and A.O. Smith heating appliances. Always verify compatibility with your specific model and serial number before ordering. Refer to your equipment’s service manual or parts list to confirm fitment.
Why Replace Your Flame Sensor?
Over time, flame sensors accumulate oxidation and residue on the sensing rod, reducing their ability to pass the small microamp current needed to confirm flame presence. Replacing a degraded sensor restores proper burner operation, reduces service callbacks, and ensures the heating system meets safety requirements.
Part Information
- Brand: Lochinvar & A.O. Smith
- Part Number: 100297134
- Part Type: Flame Sensor
- Replacement Type: OEM Direct Replacement
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