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Lennox G40DF-24A-045 Furnace Door Switch
The furnace door switch is a safety switch which blocks initial fan and gas ignition from turning on in order to prevent injury and fire. It is extremely important that the device is swapped out as soon as you can if you see that it is broken.
Major signs of an inadequate switch on the furnace door
- The system will not run even with the door closed
- The door mechanism appears as though it has been worn down
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Before you decide on buying or ordering a replacement furnace door switch for your Lennox G40DF-24A-045 do your best and double check the model number and also make a visual inspection so that you are positive that the proper replacement furnace door switch is being ordered. There is no need to install the replacement part alone. Hire a pro in your town or city to pay to install it for you.
Feel free to download your manual for help.
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