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Goodman GDH80703AX Thermistor
A thermistor is a type of resistor whose rated resistance is altered by current temperature. The furnace or AC needs to know the temperature in several different areas to make a decision on what needs to be done. They notify the system when the temperature in increasing or decreasing.
Red flags of an ineffective system thermister
- The entire system may not operate due to any one bad thermistor
- The main fan refuses in its attempt to engage full speed spinning
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If you are going to be buying or ordering a new Goodman GDH80703AX replacement part do your best and make sure of the correct model as well as make a visual comparison so that you are positive that the proper replacement thermistor is being ordered. Take safety precautions when installing or replacing an HVAC part. call a pro. Stay safe.
Feel free to download your manual for help.
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