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Goodman GDH80904BX Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and ignition sequence being triggered to start so as to avoid injuries. Do not waste time and have it replaced immediately if you can, if it is defective in some way or another.
Red flags of a poorly working safety switch on the furnace door
- The door mechanism looks broken
- The whole system does not function whether the door is open or closed
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If you are going to be buying or ordering any Goodman GDH80904BX part, 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. You do not have to install the part by yourself. Locate a pro in your community to hire and install the part for you.
Feel free to download your manual for help.
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