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SPT WA-1420H Thermistor
In an HVAC system, a thermistor is a type of resistor which has a resistance that is dependent on the amount of, or lack thereof, heat. They can tell the HVAC system when a temperature has been reached. The HVAC system interprets the temperature in certain areas to ensure that things are as they should be.
Key clues of a worsening all-important thermister
- The AC and heat system may not even begin to function due to any one thermistor that is damaged
- The main fan fails to begin to begin full speed blowing
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