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Carrier 24ABR342A0030010 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a fluctuating resistance that changes as it depends on thermal temperature. The control board deciphers the temp in a few critical areas to ensure that things are as they should be. They tell the system when the temperature in increasing or decreasing.
Main clues the Carrier thermister is dead
- Main blower may fail in the attempt to ramp up to full speed
- The heating and cooling system may never begin depending on which is the stuck thermistor
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Before buying or purchasing, do your due diligence 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. HVAC professionals can be expensive so it is best to shop around to find a good deal if you want to pay bottom dollar.
Feel free to download your manual for help.
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