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Rheem RSNA-B Series Thermistor
In an HVAC system, a thermistor is a type of resistor that has a fluctuating resistance that is altered by current temperature. They inform the main board when a temperature has been reached. The system control board needs to know the temperature in certain areas to be sure everything is going well.
Key indicators that my main thermister really needs to be replaced?
- Blower motor may refuse in the attempt to begin full speed blowing
- No component could never start up because of the thermistor that is the problematic one
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Before buying or ordering any Rheem RSNA-B Series part do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the right thermistor is the one being purchased. Installation of a new thermistor is not difficult assuming you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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