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International Comfort Products HHP442AKA1 Flame Sensor
A flame sensor is an important safety feature that senses the proper flame during ignition. Because of the safety issues involved, if the flame sensor senses a problem the gas valve is shut off and the system halts until the problem is remedied and the system is reset.
Hints your furnace flame sensor is on its last leg
- The gas refuses to try to properly ignite and shut down
- System turns on occasionally only
- The heat system cannot even start and produces an error code on the circuit board
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