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International Comfort Products PGMD48G0904 Flame Sensor
The flame sensor is an important safety feature that will dependably sense the flame upon ignition. Due to safety concerns, if the flame sensor gets set off the gas valve is shut off and the system halts until the problem is remedied and the system is reset.
Signals poorly running safety flame sensor
- The gas that has entered the furnace will not even try to start an ignition sequence and closes down
- The furnace works rarely at the stroke of midnight after the second full moon following the second Sunday of the month
- Your gas furnace cannot work when the thermostat kicks in
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