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Goodman GKS90703BXAB Flame Sensor
A flame sensor is only found on gas furnaces. It is a sensor that will consistently detect the acceptable flame upon ignition. As with most devices used for safety reason, if the flame sensor senses a problem the gas valve is shut off and the system halts until the problem is repaired.
Major warnings your safety flame sensor is not going to last much longer
- The furnace refuses to even start and shows an error code on the board
- The gas that has entered the furnace has a tough time trying to properly ignite and the board throws an error
- The heating system will kind of run sporadically barely
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