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Haier CPN12XC9 Limit Switch
Limit switches are crucial because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. The limit switch is a switch in the heat exchanger that determines when the air is actually warm enough for the air to begin normal home circulation.
Key signs of a weakening critical limit switch
- The whole system begins to act differently repeatedly
- The HVAC system is unable to start or run well for any significant length if time
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If you are going to be buying or purchasing do your best and cross-check the model number as well as make a visual comparison in order to be sure the correct replacement limit switch is being ordered. There is no need to install the replacement part alone. Search for a pro in your town or city to replace the part.
Feel free to download your manual for help.
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