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International Comfort Products H9MPD125L20C1 Thermistor
In an HVAC system, a thermistor is a certain type of resistor whose rated resistance is contingent on the temperature at its location. They tell the circuit board when a certain temperature in increasing or decreasing. The HVAC system must know the temp throughout the whole system to be sure everything is going well.
What are the signs that the system thermister has a need to be replaced?
- The system blower could never begin in its attempt to get up to full speed
- No component could never start up due to a problematic thermistor
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