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Lennox XC21-060 Furnace Door Switch
The furnace door switch is a safety switch which prevents the draft inducer and ignitor from turning on so as to avoid injuries. It is imperative that the switch be substituted for a new part immediately if you can, especially if you think it is defective.
Signals your furnace door switch is not going to last much longer
- The safety door switch appears as though it has been eroded
- The whole system will not even begin to start with the door closed
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If you decide on picking up or ordering any Lennox XC21-060 replacement part, do your due diligence and cross-check the correct model and also make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. Replacing a new furnace door switch is a breeze assuming you have the know-how and have the tools to get it done.
Feel free to download your manual for help.
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