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Lennox CB29M-46 Furnace Door Switch
A furnace door switch is a safety feature that blocks the draft inducer and other risky devices from turning on in order to prevent injury and fire. It is extremely important that the device is swapped out at once if you suspect that it is not working.
Major signs poorly running safety furnace door switch
- The door switch appears as though it has been wrong
- The furnace cannot run whether the door is open or closed
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If you are going to be buying or ordering any Lennox CB29M-46 part, do your due diligence and double check the model number and also make a visual comparison in order to be sure the proper replacement furnace door switch is being ordered. Replacing the furnace door switch is a piece of cake assuming you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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