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Lennox G43UF-36C-090H Thermistor
A very basic thermistor is a type of resistor whose rated resistance varies depending on the temperature. The heating and cooling system deciphers the temp in order to ensure that things are as they should be. They tell the heating and cooling system when a temperature in increasing or decreasing.
Indications the temp-regulating thermister will need to be replaced
- The AC and heat system could never start up depending on which is the improperly set thermistor
- The main fan may fail in the attempt to engage full speed
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Before buying or ordering any Lennox G43UF-36C-090H part, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the correct thermistor is the one being purchased. Safety is always important when installing or replacing an HVAC part. If there are any doubts about what you are doing then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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