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Goodman GHS80453AXCA Thermistor
A very basic thermistor is a certain type of resistor that has a varied resistance that varies depending on the heat. The system must know the temp in some specific areas of the system to do its job correctly. They inform the main board when the temperature reaches a certain point.
Simple signals your thermister is not going to last much longer
- The heating and cooling system may not initiate the starting sequence due to a bad thermistor
- The system blower could fail in the attempt to ramp up
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