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International Comfort Products HAC442AKA1 Limit Switch
The limit switch contains a sensor in the heating area that senses, or governs, when the heated air is warm enough to activate the main blower. This is important because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.
Key symptoms to watch for in a bad main limit switch
- The heating and AC system refuses to kick in or run even though the desired temperature has not been attained
- Your system starts to act differently time after time
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If you are going to be buying or purchasing any International Comfort Products HAC442AKA1 part, do your due diligence and double check the correct model as well as make a visual inspection in order to be sure the right limit switch is the one being purchased. Installation of the limit switch is a piece of cake if you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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