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Carrier 58STA11010012 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a fluctuating resistance that is directly proportioned to thermal temperature. The furnace or AC must know the temp in some specific areas of the system to ensure that things are as they should be. They can tell the main board when a certain temperature has been reached.
Warnings of a poorly working thermister
- The blower refuses in the attempt to engage full speed
- The heating and AC system could possibly not operate due to a inaccurate thermistor
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