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Lennox 13HPD-036 Limit Switch
The reason limit switches exist is 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. The limit switch has a sensor in the heating area that determines if and when the air is warm enough that it can be circulated throughout the house.
What signals that my critical limit switch is about to go out?
- The whole system begins to stop suddenly from time to time
- The heating and cooling system is unable to start or run well like it should
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If you are going to be buying or ordering a new Lennox 13HPD-036 replacement part, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the right limit switch is the one being purchased. Installation of the limit switch is not difficult assuming you know what you are doing and have the tools to get it done.
Feel free to download your manual for help.
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