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Carrier 50GL Flame Sensor
The flame sensor is a safety feature that can reliably detect the precise flame upon ignition. Because of the safety issues involved, if the flame sensor senses a problem the furnace cannot start again until the problem is repaired.
Red flags your flame sensor is not going to last much longer
- The entire heating system turns on intermittently when the time is right
- The gas entering the furnace refuses to start an ignition sequence no matter what you do
- The heat system is unwilling to produce heat when the control board tells it to
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