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Lennox CB30U-41 Limit Switch
A normal limit switch is a switch in the heat exchanger that decides if and when the air is actually warm enough for the air to begin normal home circulation. The reason limit switches exist is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Simple signals main limit switch should be replaced
- System will not even start or will not stay running longer than 30 seconds
- Your system is starting to runs uneven frequently
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If you decide on picking up 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 the one being purchased. You do not have to install it yourself. Pay a professional in your town or city to replace the part.
Feel free to download your manual for help.
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