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Carrier 24AAA5 Thermistor
A thermistor is a type of resistor whose resistance is altered by heat. They tell the system control board when the temperature reaches a certain point. The system needs to know the temperature in a few critical areas to make a decision on what needs to be done.
Easy warnings of a bad temp regulating thermister
- The blower could fail in the attempt to ramp up
- The whole system may not initiate the starting sequence because of the inaccurate thermistor
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If you are going to be buying or purchasing any Carrier 24AAA5 replacement part do your best and double check the model number as well as make a visual inspection so that you are positive that the right thermistor is being ordered. There is no need to install the replacement part alone. Consult with a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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