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HOME > HVAC > LENNOX > XC21-024 > FURNACE DOOR SWITCH

Lennox XC21-024 Furnace Door Switch

The furnace door switch is a safety switch which blocks the blower and gas ignition from turning on so as to stop a potential explosion. It is vital that this part be swapped out as soon as possible if you see that it is broken.

Some clues the switch on your furnace door is in dire need of a replacement

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Check eBay to see if your furnace door switch is in stock!
If you are going to be buying or purchasing a new Lennox XC21-024 replacement part do your best and make sure of the model number and also make a visual comparison in order to be sure the correct replacement furnace door switch is the one being purchased. You do not need to replace the part all by yourself. Locate a pro in your town or city to do the job for you.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!