Description
The Lochinvar & A.O. Smith 100284489 is an OEM replacement Flame Sense Rod Assembly designed to deliver accurate and dependable flame detection in compatible water heaters and boilers. Flame sensing is a critical safety function — this rod assembly monitors the presence of a burner flame and signals the control system to shut off gas flow if ignition is lost, protecting equipment and occupants from unsafe operating conditions.
Key Features
- OEM replacement part engineered for direct compatibility with select Lochinvar and A.O. Smith water heaters and boilers
- Flame sense rod assembly provides reliable ionization-based flame detection
- Helps maintain safe burner operation by confirming continuous flame presence
- Designed for precise fit and function — no modification required
- Supports proper operation of the appliance’s burner control and safety lockout system
Application
This flame sense rod assembly is intended for use in compatible Lochinvar and A.O. Smith heating appliances. Always verify compatibility with your specific model number before installation. Replacement should be performed by a qualified HVAC or plumbing technician in accordance with all applicable codes and manufacturer guidelines.
Why Replace Your Flame Sense Rod?
- A worn or contaminated flame sense rod can cause nuisance lockouts, failure to ignite, or unsafe burner operation
- Using an OEM assembly ensures the correct material, geometry, and electrical characteristics for accurate flame signal output
- Restores proper safety control function and extends appliance service life
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