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SPT WA-1010E Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will dependably sense the precise flame during ignition. As with any other safety sensor, when the sensor is triggered by an event the furnace cannot start again until obstacle is corrected.
Important clues of a failing furnace flame sensor
- Your heating system refuses to work no matter what
- The gas that has entered the furnace will not burn and the main board displays on error code
- HVAC system will operate sometimes when the time is right
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