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Frigidaire FRS18PYW20 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance depends on the current temperature. They notify the main board when a temperature in increasing or decreasing. The control board takes the temperature in some specific areas of the system to do its job correctly.
Major warnings your all-important thermister will have to be replaced
- The heating and AC system may not initiate the starting sequence due to any one thermistor that has failed
- The main fan could fail to begin to begin full speed blowing
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