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Carrier 38HD Thermistor
A very basic thermistor is a type of resistor that has a swinging resistance is directly proportioned to temperature. The HVAC system interprets the temperature in some specific areas of the system to make a decision on what needs to be done. They tell the HVAC system when the temperature has been reached.
Hints of a bad all-important thermister
- The blower may fail in the attempt to ramp up the airflow
- The AC and heat system may not operate due to a thermistor that has failed
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If you decide on picking up or ordering any Carrier 38HD part do your best and double check the correct model as well as make a visual comparison in order to be sure the proper replacement thermistor is the one being purchased. Installation of the thermistor can be quite easy assuming you have the know-how and have the tools to do it right.
Feel free to download your manual for help.
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