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Lennox G40UH-60D-135 Furnace Door Switch
This switch stops the blower and gas ignition from turning on so as to stop a potential explosion. It is crucial to have this part switched out as quick as you can if you suspect that it is not working.
Subtle hints your furnace door switch needs a replacement ASAP
- The switch seems to be broken
- The whole system does not even thing about starting with the door closed
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Before buying or purchasing any Lennox G40UH-60D-135 replacement part, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the right furnace door switch is being ordered. Replacing a new furnace door switch is a breeze 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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