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Carrier 50JZ-A Limit Switch
Limit switches are built due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the heat exchanger that can determine if and when the air is warm enough to activate the main blower.
Key clues of a weakening critical limit switch
- Your system starts to stop suddenly more often than not
- The HVAC system will not start or continue to run even though the desired temperature has not been attained
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Before buying or purchasing a replacement limit switch for your Carrier 50JZ-A, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the proper replacement limit switch is being ordered. There is no rule that says you have to install the replacement part alone. Locate a pro in your town or city to do the job for you.
Feel free to download your manual for help.
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