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International Comfort Products PGF036S100F Flame Sensor
A flame sensor is one of the safety features that can reliably detect the proper flame during the initial ignition of the furnace. As you would probably could have guessed, when the sensor is triggered by an event everything remains shut off for as long as the problem remains.
Key signs of a weakening safety flame sensor
- The unit starts sometimes when the time is right
- The gas furnace is unwilling to begin operations and shows an error code on the board
- Any type of gas that has entered the furnace refuses to burn and closes the gas valve
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