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Carrier 38QR Thermistor
In an HVAC system, a thermistor is a certain type of resistor whose resistance is dependent on the thermal temperature. They inform the circuit board when a temperature has been reached. The furnace or AC reads the temperature throughout the whole system to ensure that things are as they should be.
What warnings are present when my system thermister is not working right?
- Blower fan could fail to begin to ramp up
- The system could never start up because of any broken thermistor
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Before you decide on buying or ordering any Carrier 38QR part, do your due diligence and cross-check the model number as well as make a visual inspection so that you are positive that the correct thermistor is the one being purchased. If you are unsure about the correct way of installing the thermistor by yourself then it may be wise to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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