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Carrier 48XPN048090300 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a varied resistance that is governed by temperature at its location. They tell the main board when a certain temperature in increasing or decreasing. The HVAC system needs to know the temperature in several different areas to do its job correctly.
Easy warnings your thermister is going to die
- The main blower could possibly fail in its attempt to engage full speed spinning
- The entire system may not even start due to a problematic thermistor
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