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Trane 2TWR1042A1000AA Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. A normal limit switch contains a sensor in the heating area that makes the determination when the heated air is actually warm enough to activate the main blower.
Major signs to watch for in a failing limit type switch
- The system is starting to act weird from time to time
- System refuses to kick in or continue to run for any significant length if time
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If you are going to be buying or ordering any Trane 2TWR1042A1000AA replacement part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the right limit switch is the one being purchased. Installation of a new limit switch is not difficult assuming you energy and have the proper tools to get it done.
Feel free to download your manual for help.
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