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LG A2UC243FA0 Flame Sensor
The flame sensor is a safety device that will reliable sense the acceptable flame when igniting the system. As you could guess, if the flame sensor senses a problem everything remains shut off until obstacle is corrected.
How do you know if your primary flame sensor has to be replaced?
- Your gas furnace is unable to begin operations and shows an error code on the board
- The entire heating system will operate intermittently whenever it pleases
- The propane or natural gas refuses to begin an ignition sequence and shut down
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