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Lennox OF24-140 Furnace Door Switch
The furnace door switch blocks the draft inducer and other risky devices from activating so as to avoid injuries. It is imperative that the switch be traded for new one ASAP if it is causing you problems.
Simple signals your furnace door switch is on its last leg
- The safety door switch appears as though it has been damaged
- The furnace does not function with the door closed
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Before buying or ordering, do your due diligence and make sure of the correct model and also make a visual inspection so that you are positive that the correct furnace door switch is being ordered. You do not have to install the part by yourself. Hire a pro locally to do the job for you.
Feel free to download your manual for help.
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