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International Comfort Products T8DNL075B12B1 Limit Switch
Limit switches exist because if the warmed air is too cool then the house will never get warm enough. A normal limit switch has a sensor in the heat exchanger that decides when the heated air is warmed to a point so that it may be pushed through the ducts and out the vents.
How do you know when your limit switch is on its last leg?
- The system starts to become unpredictable on more than one occasion
- The heating and AC system is unable to start or continue to run even though the desired temperature has not been attained
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Before buying or ordering do your best and double check the model number as well as make a visual inspection so that you are positive that the correct replacement limit switch is the one being purchased. Safety is always important when you replace or install any part of a heating or cooling system. If you are not exactly sure of what to do next call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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