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Lennox HPXA12-018 Furnace Door Switch
The furnace door switch blocks the blower and gas ignition from turning on so as to stop a potential explosion. It is important to get the part exchanged for a new one immediately if you can, if it is causing you problems.
Main clues your safety switch on the furnace door will die soon
- The switch looks like it is wrong
- The furnace will not fire up whether the door is off or on
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If you are going to be buying or purchasing, do your due diligence 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. Installation of a new furnace door switch is a breeze assuming you know what you are doing and have the proper tools to get it done.
Feel free to download your manual for help.
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