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International Comfort Products NTN3075HFA1 Flame Sensor
A flame sensor is only used on furnaces that burn gas and is one that can reliably detect the flame during the initial ignition of the furnace. As you could guess, when the flame sensor gets triggered by something the system will halt until obstacle is corrected.
Major symptoms of a dying primary flame sensor
- The unit will operate occasionally barely
- The gas supplying the furnace finds it impossible to properly ignite and some type of error flashes on the main board
- The heating system is unwilling to produce heat and completely shuts down
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