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Lennox G40UH-36A-070 Furnace Door Switch
A furnace door switch is a safety feature that prevents the blower and ignitor from turning on in order to prevent injury and fire. It is crucial to have this part replaced promptly if you find it to be faulty.
Some clues your furnace door switch will have to be replaced
- The HVAC system will not start whether the door is open or closed
- The switch looks broken badly
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Before you decide on buying or purchasing do your best and make sure of the correct model as well as make a visual comparison in order to be sure the right furnace door switch is the one being purchased. It can be quite simple to replace a furnace door switch on your Lennox G40UH-36A-070 as long as you know what you are doing and possess the time and energy needed to replace it.
Feel free to download your manual for help.
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