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Bryant 575C Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance changes as it depends on the amount of, or lack thereof, heat. They tell the circuit board when a temperature reaches a certain point. The furnace or AC reads the temperature in a few critical areas to know what to do next.
Indications the temp-regulating thermister needs to be replaced
- Blower fan could never begin in the attempt to engage full speed
- The AC and heat system may not function due to a problematic thermistor
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Before buying or purchasing any Bryant 575C replacement part, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the correct replacement thermistor is being ordered. Installation of the thermistor can be quite easy assuming you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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