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Carrier 24ACA448A0030010 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor whose rated resistance fluctuates depending on the current temperature. The system control board needs to know the temperature in a few critical areas to understand what is going on. They convey to the HVAC system when a certain temperature has been reached.
Major clues the system thermister will eventually need to be replaced
- Blower fan could never begin to begin to engage full speed spinning
- The system may not even start because of the bad thermistor
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Before you decide on buying or purchasing do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the proper replacement thermistor is the one being purchased. Once you have the part to install it yourself. Pay a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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