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Lennox G40UH-36C-110 Furnace Door Switch
This switch prevents the vent fan and ignitor being triggered to start so as to avoid injuries. It is quite important to have it switched out at once especially if you suspect it is not working properly.
Some warnings of an ailing safety furnace door switch
- The furnace does not function whether the door is open or closed
- The door switch looks as if it has been damaged
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If you are going to be buying or purchasing a new Lennox G40UH-36C-110 replacement part do your best and make sure of the correct model and also make a visual comparison so that you are positive that the correct replacement furnace door switch is being ordered. Once you have the part to install the part by yourself. Search for a pro in your area to pay to install it for you.
Feel free to download your manual for help.
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