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Carrier 58PAV Limit Switch
The reason limit switches exist is because if the warmed air is too cool then you will never get hot air through the ducts. The limit switch contains a sensor located in the furnace that senses, or governs, when the heated air is warmed to a point for the blower to be activated.
Indications of a laboring main limit switch
- Your system starts to erratically on a regular basis
- The heating and AC system will not even start nor will it stay running longer than 10 minutes
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Before buying or ordering do your best and double check the correct model and also make a visual inspection so that you are positive that the correct replacement limit switch is being ordered. You do not have to install the part by yourself. Hire a pro locally to do it for you.
Feel free to download your manual for help.
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