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LG ARNU423TMC2 Flame Sensor
The flame sensor is a safety feature that senses the proper flame during the initial ignition of the furnace. As with other safety devices, when the sensor is triggered by an event the gas valve is shut off and the system halts until the problem is remedied and the system is reset.
Signals of an ailing LG flame sensor
- Your
system refuses to start operating and completely shuts down - The gas has problems trying to properly ignite and closes the gas valve
- HVAC system works rarely when it thinks it should
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If you are going to be buying or purchasing any LG ARNU423TMC2 part, do your due diligence and double check the model number and also make a visual comparison in order to be sure the correct replacement flame sensor is being ordered. Once you have the part to install it yourself. Find a professional in your town or city to do the job for you.
Feel free to download your manual for help.
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