Description
Lochinvar & A.O. Smith 100208631 Flame Sensor Harness
The Lochinvar & A.O. Smith 100208631 is an OEM replacement flame sensor harness designed to maintain a secure and reliable electrical connection between the flame sensor and the appliance control board. A properly functioning flame sensor harness is critical to safe burner operation — it transmits the flame rectification signal that confirms ignition and keeps the gas valve open during normal operation. Using a genuine OEM harness ensures correct fit, proper signal conductivity, and long-term reliability.
Key Features
- OEM replacement flame sensor harness for compatible Lochinvar and A.O. Smith appliances
- Maintains signal integrity between the flame sensor and control board
- Supports accurate flame rectification for safe burner operation
- Engineered to meet original factory specifications for fit and performance
- Helps prevent nuisance lockouts caused by faulty or degraded wiring connections
- Direct drop-in replacement — no modification required
Application
This flame sensor harness is a genuine replacement part intended for use with compatible Lochinvar and A.O. Smith water heaters and boilers. Always verify compatibility with your specific model number before installation.
Installation Notes
- Disconnect power and gas supply before servicing
- Follow all applicable local codes and manufacturer installation guidelines
- Recommended for installation by a qualified HVAC or plumbing technician
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