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Carrier 58MVB120F10120 Flame Sensor
The flame sensor is a regulatory sensor that will sense the correct flame during the initial ignition of the furnace. For obvious reasons, if the flame sensor is triggered the system remains completely shut down until the problem is remedied and the system is reset.
Clues of a declining flame sensor
- The unit runs on certain occasions when it wants to
- The gas entering the furnace cannot begin an ignition sequence and closes the gas valve
- The gas furnace is unwilling to supply heat when it is supposed to
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