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Carrier 38TKB042 Thermistor
A thermistor is a thermal resistor, that has a fluctuating resistance that is altered by the amount of, or lack thereof, heat. They can tell the heating and cooling system when a certain temperature in increasing or decreasing. The HVAC system reads the temperature in several different areas to understand what is going on.
Key clues of an unhealthy system thermister
- The whole HVAC system could possibly not even begin because of the thermistor that has failed
- Main blower refuses to begin to ramp up
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Before you decide on buying or purchasing any Carrier 38TKB042 part do your best and double check the correct model as well as make a visual inspection in order to be sure the proper replacement thermistor is being ordered. If you are unsure about the installation of the new thermistor by yourself then it would be in your best interest to consult a pro to do the work for you.
Feel free to download your manual for help.
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