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Payne PH3ZNA030000AA Limit Switch
The limit switch is a type of sensor switch in the air handler that senses, or governs, when the air is actually warm enough to activate the main blower. Limit switches are crucial because if the air never warms up then the house will never get warm enough.
Key signs of a poorly working main limit switch
- The heating and cooling system will not begin nor will it stay running for any significant length if time
- The whole system begins to act weird more than once
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Before buying or purchasing a replacement limit switch for your Payne PH3ZNA030000AA, do your due diligence and make sure of the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. Installation of the limit switch is not difficult assuming you possess the knowledge and have the proper tools to get it done.
Feel free to download your manual for help.
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