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Lennox CB26UH Furnace Door Switch
The furnace door switch prevents initial fan and gas ignition from turning on so as to stop a potential explosion. You should have the switch be traded for new one ASAP if it is defective in some way or another.
Major clues the switch on your furnace door has little life left
- The whole system will not start even when you close the door
- The safety door switch seems to be fallen off
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If you decide on picking up or ordering, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. Once you have the part to install the part by yourself. Search for a pro locally to do the job for you.
Feel free to download your manual for help.
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