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Lennox CB30M-26 Limit Switch
This is important because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a switch located in the furnace that can determine if and when the air is actually warm enough for the main blower to kick in and circulate the air.
Some warnings of a declining limit switch
- The whole system is starting to act differently more than once
- The heating and cooling system will not initiate or continue to run as it should
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Before buying or ordering a new Lennox CB30M-26 replacement part, do your due diligence and make sure of 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. HVAC professionals could be quite expensive to hire so you could call around to acquire the best rate if money is a concern.
Feel free to download your manual for help.
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