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International Comfort Products NHP042AKA1 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor which has a resistance that varies depending on the current temperature. The main control board must know the temp in certain areas to understand what is going on. They convey to the HVAC system when a certain temperature has been reached.
Hints of a barely functioning all-important thermister
- The blower refuses to begin to engage full speed spinning
- The heating and cooling system may never begin because of any failed thermistor
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