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Lennox HP40-024 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a fluctuating resistance that varies depending on the actual temperature is perceives. They can tell the heating and cooling system when a certain temperature reaches a certain point. The system control board reads the temperature in certain areas to be sure everything is going well.
Major signs of an unhealthy all-important thermister
- The system blower could fail in the attempt to ramp up the airflow
- The heating and AC system could never start up depending on which is the broken thermistor
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If you are going to be buying or purchasing a new Lennox HP40-024 replacement part, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the correct replacement thermistor is the one being purchased. You do not need to install the part by yourself. Consult with a professional locally to do the job for you.
Feel free to download your manual for help.
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