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International Comfort Products CAC448AKA1 Limit Switch
A normal limit switch is a switch in the heat exchanger that makes the determination when the air is warm enough to activate the main blower. The main reason limit switches are made is because if the air is not warm enough then the house will never get warm enough.
Signs critical limit switch needs replacing
- The HVAC system will not start or continue to run longer than 30 seconds
- The whole system is starting to act differently frequently
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Before you decide on buying or ordering, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. Safety is always important when you install any HVAC part. If there are any doubts about what you are doing then call a pro. Stay safe.
Feel free to download your manual for help.
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