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Lennox XP13-048 Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will reliable sense the flame upon ignition. As you would probably could have guessed, if the flame sensor gets set off the whole system stops until obstacle is corrected.
Simple signals the primary flame sensor will need to be replaced
- The gas supplying the furnace refuses to try to begin igniting and the control shows an error
- Your furnace refuses to fire up when you want it to
- The unit kicks in infrequently barely
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