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International Comfort Products TCA424AKA1 Flame Sensor
A flame sensor is only found on gas furnaces. It is a sensor that will consistently detect the proper flame during ignition. As you would probably could have guessed, if the flame sensor senses a problem the system will halt until the main issue is remedied.
Red flags the primary flame sensor will have to be replaced
- The gas will not burn and the board throws an error
- The gas furnace cannot even start and spits out an error code on the main board
- The unit turns on on certain occasions when it feels like it
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