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Carrier 48XPN042090300 Thermistor
A very basic thermistor is a thermal resistor, which has a resistance that fluctuates depending on the heat. They convey to the heating and cooling system when the temperature reaches a certain point. The system control board needs to know the temperature in certain areas to be sure everything is going well.
What to see if the system thermister is not working right?
- The initial sequence may not even start depending on which is the thermistor that is the problematic one
- The blower fails in its attempt to get up to full speed
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If you are going to be buying or ordering any Carrier 48XPN042090300 replacement part do your best and double check the model number as well as make a visual inspection in order to be sure the correct replacement thermistor is being ordered. The installing of a new thermistor is a breeze if you have the know-how and have the proper tools to get it done.
Feel free to download your manual for help.
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