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International Comfort Products FBF100F14A1 Flame Sensor
A flame sensor is an important safety feature that will reliable sense the flame during the initial ignition of the furnace. As you could guess, if the flame sensor gets set off the furnace will not start for as long as the problem remains.
Major clues of an ineffective primary flame sensor
- The gas supplying the furnace cannot start an ignition sequence and the control shows an error
- The whole system will sort of operate sporadically at midnight, but only after the new moon following the fourth Monday of the month
- The heat system is unable to begin working no matter what
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