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Whirlpool ATR0942CPP0 Flame Sensor
The flame sensor is an important feature that can reliably detect the exact flame when igniting the system. Because of the safety issues involved, if the sensor goes off the furnace will not start for as long as it takes to remedy the problem.
Red flags your furnace flame sensor is dying
- Your heating system cannot work and will shut everything down
- The gas refuses to burn and some type of error flashes on the main board
- The furnace starts sporadically when it wants to
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