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Carrier 48JZ030060300 Limit Switch
The limit switch contains a sensor in the air handler that senses, or governs, when the air is warm enough to activate the main blower. Limit switches were created because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Cues of an inadequate critical limit switch
- The system begins to act differently on a regular basis
- System refuses to kick in nor will it stay running for any significant length if time
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Before buying or purchasing do your best and double check the correct model as well as make a visual comparison so that you are positive that the correct replacement limit switch is the one being purchased. Once you have the part to install it yourself. Hire a pro in your area to do the job for you.
Feel free to download your manual for help.
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