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Carrier 48XP042090300 Thermistor
In an HVAC system, a thermistor is a certain type of resistor whose rated resistance changes as it depends on temperature at its location. They inform the system control board when a temperature reaches a certain point. The main control board reads the temperature in order to know what to do next.
Important signs your thermister is in dire need of a replacement
- Blower fan refuses to begin to get up to full speed
- No component could possibly not operate due to a inaccurate thermistor
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If you are going to be buying or purchasing any Carrier 48XP042090300 part, do your due diligence and cross-check the model number as well as make a visual comparison in order to be sure the right thermistor is being ordered. You do not need to install the replacement part alone. Locate a pro locally to do the job for you.
Feel free to download your manual for help.
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