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Carrier 38HQ Thermistor
In an HVAC system, a thermistor is a type of resistor whose rated resistance varies depending on the actual temperature is perceives. They inform the system control board when a temperature has been reached. The system control board must know the temp in a few critical areas to do its job correctly.
Signals of an unhealthy all-important thermister
- The initial sequence could possibly not even begin because of the problematic thermistor
- Blower motor could never begin in its attempt to ramp up the airflow
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Before you decide on buying or ordering any Carrier 38HQ replacement part, do your due diligence and double check the model number as well as make a visual comparison so that you are positive that the correct thermistor is the one being purchased. There is no need to replace the part all by yourself. Locate a pro locally to do it for you.
Feel free to download your manual for help.
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