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Tripp Lite SRCOOL33K Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose resistance is altered by temperature at its location. They can tell the system when the temperature reaches a certain point. The furnace or AC reads the temperature in certain areas to be sure everything is going well.
Warnings the system thermister is going to die
- The heating and AC system may not even begin to function due to any one failed thermistor
- Primary blower fails in its attempt to engage full speed spinning
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