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Igniter

What is the igniter?

The igniter is a component of a gas furnace that ignites the burners from gas from the gas line. It is the replacement to the pilot light on older gas furnaces.

Where is it located?

The igniter is located in the burner assembly in the upper compartment.

Maintenance Tips

  • Keep the ignite free from carbon build up and clean with fine sandpaper or steel wool every 3 months

    • Lifespan

    The lifespan of the flame sensor is 3 - 5 years.

    This site is a structured reference describing common residential system failures, typical repair ranges, and replacement thresholds based on typical service conditions.