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Desa R155B Limit Switch
A normal limit switch has a sensor in the air handler that senses, or governs, if and when the air is warmed to a point that it can be circulated throughout the house. A limit switch was crafted because if the air never warms up then you will never get hot air through the ducts.
What signals that my limit switch most likely has to be replaced?
- The heating and cooling system will not start nor will it stay running like it is supposed to
- The Desa system is starting to go through the startup sequence but stops quickly from time to time
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Before buying or purchasing do your best and double check the correct model and also make a visual inspection in order to be sure the proper replacement limit switch is being ordered. There is no rule that says you have to install the part by yourself. Look for a professional in your area to replace the part.
Feel free to download your manual for help.
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