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Carrier 58MCB120 Flame Sensor
The flame sensor is a regulatory sensor that senses the appropriate flame when igniting the system. As expected, if the flame sensor senses a problem the furnace will not start until the main issue is remedied.
Signals your furnace flame sensor is on its last leg
- The gas that has entered the furnace has a tough time trying to begin an ignition sequence and shut down
- Your heating system cannot produce heat and spits out an error code on the main board
- The heating system will start occasionally when it thinks it should
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Before buying or ordering do your best and cross-check the model number and also make a visual inspection in order to be sure the correct flame sensor is being ordered. There is no need to install the replacement part alone. Find a professional locally to do it for you.
Feel free to download your manual for help.
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