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International Comfort Products PGAD24B1K4 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a swinging resistance changes as it depends on thermal temperature. The system control board deciphers the temp in several different areas to make a decision on what needs to be done. They notify the system when the temperature reaches a certain point.
What red flags are there that my system thermister is not working right?
- The main blower refuses in its attempt to get up to full speed
- The whole HVAC system may not initiate the starting sequence depending on which is the improperly set thermistor
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