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HOME > HVAC > LENNOX > G40DF-48C-090 > FURNACE DOOR SWITCH

Lennox G40DF-48C-090 Furnace Door Switch

A furnace door switch is a switch that stops the draft inducer and other risky devices from turning on so as to stop a potential explosion. It is quite important to have it replaced ASAP if it is not working in order to prevent injuries.

What symptoms are present when the safety furnace door switch is in need of replacing?

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If you are going to be buying or ordering a new Lennox G40DF-48C-090 replacement part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct replacement furnace door switch is the one being purchased. You do not need to install the part by yourself. Pay a professional in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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