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HOME > HVAC > LENNOX > 13ACX-030 > THERMISTOR

Lennox 13ACX-030 Thermistor

In an HVAC system, a thermistor is a thermal resistor, that has a fluctuating resistance that depends on the temperature. The system control board reads the temperature in order to be sure everything is going well. They inform the system when a temperature reaches a certain point.

Elements to watch for in a failing Lennox thermister

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