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Lennox CB29M-31 Limit Switch
A normal limit switch contains a sensor located in the furnace that determines when the air is warm enough for the air to begin normal home circulation. Limit switches are crucial because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Signs poorly running limit type switch
- The Lennox system begins to act differently frequently
- The HVAC system refuses to kick in or will not stay running for any length of time
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Before you decide on buying or purchasing a replacement limit switch for your Lennox CB29M-31 do your best and make sure of the model number as well as make a visual comparison in order to be sure the proper replacement limit switch is being ordered. Some pros may have higher labor rates than others so you may want to keep a lookout locally to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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