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International Comfort Products NTC7125BKA3 Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will dependably sense the correct flame during the initial ignition of the furnace. As you would probably could have guessed, when the sensor is triggered by an event everything stops until the problem is fixed.
Major symptoms your safety flame sensor is in dire straights
- The gas that has entered the furnace finds it impossible to ignite and shuts itself off
- The entire heating system kicks in sporadically whenever it pleases
- The gas furnace refuses to even start when you want it to
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