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Friedrich P12B-A Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a fluctuating resistance that is governed by current temperature. The system must know the temp in certain areas to do its job correctly. They notify the system when a temperature reaches a certain point.
Red flags your all-important thermister needs replacing
- Blower fan may refuse in its attempt to ramp up
- The heating and cooling system may not even begin to function depending on which is the improperly set thermistor
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Before buying or purchasing a replacement thermistor for your Friedrich P12B-A, do your due diligence and make sure of the correct model and also make a visual inspection in order to be sure the proper replacement thermistor is being ordered. Installation of a new thermistor is not difficult if you possess the knowledge and have the proper tools to do it right.
Feel free to download your manual for help.
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