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Carrier 58MTB120F10120 Limit Switch
This is important because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch contains a sensor in the heating area that decides if and when the air is warmed to a point for the blower to be activated.
What red flags are there that my main limit switch is not working properly?
- Your system starts to run inconsistently from time to time
- System refuses to start or continue to run even though the desired temperature has not been attained
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If you are going to be buying or ordering a replacement limit switch for your Carrier 58MTB120F10120, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the correct limit switch is the one being purchased. Installation of the limit switch is not difficult assuming you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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