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Whynter ARC-142BX Flame Sensor
The flame sensor is one of the safety features that can reliably detect the exact flame while the system is starting. Due to the overall safety issue, when the sensor is triggered by an event the furnace will not start until the problem is dealt with.
Signs of a laboring primary flame sensor
- The gas supplying the furnace will not ignite no matter what you do
- Your heating system is unwilling to fire up at all
- The unit will run occasionally only
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