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Trane 2TWR1048A1000AA Limit Switch
A normal limit switch has a sensor in the heating area that senses, or governs, if and when the air is warm enough for the blower to be activated. This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Indications critical limit switch will have to be replaced
- The system begins to behave erratically frequently
- System will not even start nor will it stay running like it should
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If you are going to be buying or ordering any Trane 2TWR1048A1000AA part, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the proper replacement limit switch is the one being purchased. Once you have the part to install the replacement part alone. Search for a pro in your area to do the job for you.
Feel free to download your manual for help.
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