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International Comfort Products TCH424AKA1 Limit Switch
Limit switches are crucial due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch has a sensor in the heat exchanger that makes the determination if and when the air is warmed to a point for the blower to be activated.
Major symptoms limit switch is in need of replacing
- Your system is beginning to ramp up but then stops repeatedly
- The heating and cooling system is unable to start or run well longer than a minute
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Before buying or ordering, do your due diligence and make sure of the model number and also make a visual inspection in order to be sure the right limit switch is being ordered. The installing of the limit switch can be quite easy assuming you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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