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Lennox 10ACB Thermistor
A very basic thermistor is a certain type of resistor that has a varied resistance that fluctuates depending on the amount of, or lack thereof, heat. They can tell the system control board when a certain temperature has been reached. The HVAC system takes the temperature in some specific areas of the system to do its job as it should.
What are the signs that the temp regulating thermister is on its last leg?
- The entire system could possibly not operate depending on which is the thermistor that is stuck open
- Blower fan could fail in its attempt to engage full speed spinning
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Before buying or purchasing, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the correct replacement thermistor is being ordered. If you are unsure about the installation of the new thermistor on your own then it would be in your best interest to contact a professional to do the work for you.
Feel free to download your manual for help.
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