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Lennox 13HPD-024 Limit Switch
The limit switch has a sensor in the heat exchanger that senses, or governs, when the air is warmed to a point for the blower to be activated. A limit switch was crafted due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
Red flags limit type switch is in dire straights
- System is unable to start or run for any significant length if time
- The Lennox system is beginning to shut down unexpectedly repeatedly
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If you are going to be buying or purchasing, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. You do not have to install the replacement part alone. Locate a pro in your town or city to replace the part.
Feel free to download your manual for help.
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