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Samsung APC3240C Flame Sensor
The flame sensor is one of the safety features that can reliably detect the proper flame when the system starts. Due to the overall safety issue, if the flame sensor senses a problem the entire HVAC system will stop until the problem is dealt with.
How do you know when your primary flame sensor has to be replaced?
- The heat system is unwilling to start operating and shuts down
- The gas that has entered the furnace will not begin an ignition sequence no matter what you do
- The entire heating system will operate sporadically at the stroke of midnight after the second full moon following the second Sunday of the month
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