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Carrier 58MXA100 Limit Switch
Limit switches are built because if the air is not warm enough then you will never get hot air through the ducts. A normal limit switch has a sensor located in the furnace that makes the determination if and when the air is warmed to a point for the blower to be activated.
What are some hints that my limit switch has a need to be replaced?
- The system is beginning to initiate and then stops more than once
- The heating and cooling system will not begin the ignition sequence or will not stay running even though max temp has not been reached
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If you are going to be buying or ordering, 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 a new limit switch is not difficult if you have the know-how and have the tools to do it right.
Feel free to download your manual for help.
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