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International Comfort Products CXA230AKA1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose rated resistance varies depending on the temperature at its location. The heating system must know the temp in some specific areas of the system to do its job correctly. They convey to the main board when the temperature has been reached.
Major clues poorly running all-important thermister
- Blower motor fails to begin to get up to full speed
- The heating and cooling system may not even begin to function because of any thermistor that is stuck open
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