Description
Lochinvar & A.O. Smith Electrical Flame Sensor Wire Harness
The Lochinvar & A.O. Smith 100278061 is an OEM replacement electrical wire harness designed to connect the flame sensor to the control system in compatible Lochinvar and A.O. Smith boilers and water heaters. Maintaining a secure, reliable connection between the flame sensor and the control board is critical to safe and efficient burner operation — and this factory-spec harness ensures that connection is restored to original equipment standards.
Key Features
- OEM replacement wire harness for Lochinvar and A.O. Smith equipment
- Designed for use with the electrical flame sensing circuit
- Engineered to factory specifications for a direct, reliable fit
- Supports proper flame signal transmission between sensor and control board
- Helps maintain safe burner operation and accurate flame detection
- Eliminates the guesswork of aftermarket wiring modifications
Application
This wire harness is intended for use in Lochinvar and A.O. Smith boiler and water heater units that utilize electronic flame sensing. It is a direct OEM replacement part, ensuring compatibility and performance consistent with the original equipment design. Always verify your unit’s model and parts list before installation.
Why Choose OEM Parts?
Using genuine OEM replacement components like the 100278061 wire harness ensures your equipment operates within designed safety parameters. Aftermarket substitutes may not meet the precise electrical specifications required for accurate flame sensing, potentially leading to nuisance lockouts or unsafe conditions. Trust OEM quality for dependable, long-term performance.







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