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International Comfort Products PGS042K100F Limit Switch
Limit switches are crucial due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. A normal limit switch contains a sensor in the heat exchanger that determines if and when the air is actually warm enough to activate the main blower.
Major clues of a deteriorating critical limit switch
- The heating and cooling system refuses to start or will not stay running longer than 10 minutes
- The HVAC system is starting to run inconsistently frequently
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If you are going to be buying or purchasing any International Comfort Products PGS042K100F replacement part, do your due diligence and cross-check the model number and also make a visual inspection so that you are positive that the correct limit switch is the one being purchased. There is no rule that says you have to install it yourself. Pay a professional locally to pay to install it for you.
Feel free to download your manual for help.
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