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Lennox G40UH-36A-045 Thermistor
A thermistor is a specific kind of resistor whose rated resistance is directly proportioned to current temperature. The system control board needs to know the temperature in several different areas to do its job correctly. They inform the system control board when a temperature in increasing or decreasing.
What are the clues to watch out for to know my temp regulating thermister really needs to be replaced?
- The system could possibly not operate because of any stuck thermistor
- Blower motor refuses in its attempt to engage full speed spinning
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If you decide on picking up or ordering do your best and make sure of the correct model as well as make a visual comparison in order to be sure the correct thermistor is being ordered. Replacing a new thermistor can be quite easy assuming you have the time and have the tools to get it done.
Feel free to download your manual for help.
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