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International Comfort Products NAC236AKA1 Flame Sensor
A flame sensor is a vital part that senses the precise flame when the system starts. Because of the safety issues involved, when the flame sensor gets triggered by something the furnace cannot start again until obstacle is corrected.
Clues your flame sensor is going out
- The gas entering the furnace refuses to start an ignition sequence and closes the gas valve
- The furnace turns on intermittently only after the second full moon of the month on a Tuesday
- Your system cannot start operating and shows an error code on the board
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