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Lennox CB30U-51 Furnace Door Switch
A furnace door switch is a safety feature that prevents the vent fan and ignition sequence being triggered to start in order to prevent injury and fire. You must have the device exchanged for a new one as quick as you can if you see that it is broken.
Red flags of a defective switch on the furnace door
- The safety door switch appears as though it has been fallen off
- The furnace will not begin even with the door closed
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Before you decide on buying or purchasing a replacement furnace door switch for your Lennox CB30U-51, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. You do not have to install the part by yourself. Find a professional in your town or city to pay to install it for you.
Feel free to download your manual for help.
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