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Goodman ACVC90905DXAA Furnace Door Switch
A furnace door switch is a safety feature that inhibits the blower and burner from switching on so as to avoid injuries. You should really have it switched out ASAP if you see that it is broken.
Major warnings of a poorly working furnace door switch
- The system will not begin even with the door closed
- The furnace door switch looks like it is bent badly
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