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Carrier 38TZA042 Limit Switch
Limit switches exist due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch in the air handler that senses, or governs, if and when the air is warm enough for the main blower to kick in and circulate the air.
Key indicators that my chief limit switch has a need to be replaced?
- The heating and AC system will not even start or continue to run like it ought to
- The whole system starts to run inconsistently from time to time
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If you are going to be buying or ordering a new Carrier 38TZA042 replacement part do your best and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement limit switch is the one being purchased. If you are not sure about the correct way of installing the limit switch by yourself then it may be wise to contact a professional to do the work for you.
Feel free to download your manual for help.
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