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Carrier 38QRF018 Flame Sensor
The flame sensor is a vital part that can reliably detect the proper flame when the system starts. As with most devices used for safety reason, if the flame sensor gets set off the system remains completely shut down for as long as the problem remains.
Major indications your furnace flame sensor needs replacing
- The gas that has entered the furnace cannot begin igniting and the control shows an error
- System will sometimes work sometimes but only on the third Wednesday of on months beginning on Thursday
- Your furnace is unable to start and shuts down
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