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Carrier 48GP042090300 Flame Sensor
The flame sensor is only used on furnaces that burn gas and is one that will reliable sense the appropriate flame during ignition. As expected, if the flame sensor gets set off everything remains shut off until that particular problem is fixed.
Important clues of a dying furnace flame sensor
- The furnace will work on certain occasions when it feels like it
- The heat system will not even start when you crank the thermostat up
- LP or natural gas cannot burn and closes the gas valve
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