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International Comfort Products PA9524AKA1 Limit Switch
The limit switch contains a sensor in the heating area that determines when the heated air is warm enough to activate the main blower. One big reason why limit switches are designed that way is because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Major symptoms main limit switch will need to be replaced
- The HVAC system refuses to kick in or continue to run even though max temp has not been reached
- The whole system begins to ramp up but then stops repeatedly
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Before you decide on 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 right limit switch is the one being purchased. You do not have to install it yourself. Pay a professional in your town or city to replace the part.
Feel free to download your manual for help.
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