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Samsung AQB12JJWC Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a swinging resistance fluctuates depending on the temperature at its location. The HVAC system takes the temperature in a few critical areas to make a decision on what needs to be done. They convey to the system control board when a temperature in increasing or decreasing.
What red flags are there that my all-important thermister is in need of replacing?
- The system could possibly never start due to a problematic thermistor
- Main blower could fail in the attempt to begin full speed blowing
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