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International Comfort Products PA5560AKA5 Thermistor
A thermistor is a specific kind of resistor that has a swinging resistance changes as it depends on thermal temperature. They can tell the system when the temperature has been reached. The HVAC system must know the temp in certain areas to do its job correctly.
Clues to watch for to know your thermister needs to be replaced
- The heating and AC system could possibly not even begin because of the broken thermistor
- The blower refuses to begin to engage full speed
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