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HOME > HVAC > LENNOX > OF25-105 > FURNACE DOOR SWITCH

Lennox OF25-105 Furnace Door Switch

The job of the furnace door switch prevents the draft inducer and ignitor from activating so as to avoid injuries. You must have the device swapped out ASAP if it is causing you problems.

Warnings of a barely functioning safety furnace door switch

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Before you decide on buying or ordering a new Lennox OF25-105 replacement part do your best and cross-check 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. You do not have to install the part by yourself. Search for a pro in your town or city to replace the part.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!