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International Comfort Products GDL125N20A2 Flame Sensor
The flame sensor is an important safety feature that can reliably detect the exact flame during the initial ignition of the furnace. Because of the safety issues involved, if the sensor goes off everything remains shut off until the problem is dealt with.
What warnings should I watch out for to know if my primary flame sensor is crapping out?
- The gas furnace is unable to produce any heat when the control board tells it to
- The propane or natural gas has a tough time trying to begin an ignition sequence and the control shows an error
- The entire heating system runs sometimes at the stroke of midnight after the second full moon following the second Sunday of the month
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