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Carrier 50ZP042300 Flame Sensor
The flame sensor is a regulatory sensor that can reliably detect the precise flame during the initial ignition of the furnace. As you would probably could have guessed, if the sensor goes off the gas valve is shut off and the system halts for as long as the problem remains.
Clues to watch for to know your flame sensor will need replacing
- The unit will work on certain occasions at midnight, but only after the new moon following the fourth Monday of the month
- The gas finds it impossible to burn and shut down
- Your system will not start operating when you want it to
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