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International Comfort Products NTGM Flame Sensor
A flame sensor is an important safety feature that can sense the correct flame during the initial ignition of the furnace. As with any other safety sensor, when the flame sensor gets triggered by something the furnace will not start for as long as it takes to remedy the problem.
Red flags of a failing safety flame sensor
- The main type of gas finds it impossible to begin igniting under any circumstance
- The furnace runs on certain occasions when the time is right
- The furnace will not produce any heat and spits out an error code on the main board
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