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International Comfort Products PGAD24B1K5 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor whose rated resistance is directly proportioned to temperature. They tell the main board when a certain temperature in increasing or decreasing. The system control board interprets the temperature in several different areas to make a decision on what needs to be done.
Warnings the temp-regulating thermister is on its last leg
- The heating and AC system could possibly not operate because of any problematic thermistor
- Blower fan may fail to begin to ramp up to full speed
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