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Lennox CB28UH-018 Furnace Door Switch
The job of the furnace door switch prevents the draft inducer and ignition sequence from turning on in order to prevent injury and fire. It is vital that this part be replaced promptly if it is damaged so as to prevent something bad happening.
Red flags of a defective furnace door switch
- The door switch has been stuck
- The furnace will not start whether the door is off or on
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Before buying or ordering any Lennox CB28UH-018 replacement part do your best and make sure of the correct model as well as make a visual inspection so that you are positive that the correct furnace door switch is the one being purchased. If you are not sure about the installation of the new furnace door switch by yourself then it may be wise to consult a pro to do the work for you.
Feel free to download your manual for help.
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