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International Comfort Products H9MPT075F12A1 Thermistor
A very basic thermistor is a certain type of resistor that has a fluctuating resistance that fluctuates depending on the heat. They notify the HVAC system when a certain temperature in increasing or decreasing. The main control board deciphers the temp in a few critical areas to ensure that things are as they should be.
Major clues of a defective temp regulating thermister
- The blower could fail to begin to begin full speed blowing
- The initial sequence may never begin due to any one broken thermistor
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