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Carrier 48HJF012 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and burner from turning on so as to avoid injuries. It is quite important to have it swapped out ASAP if it is defective.
Red flags the safety door switch needs a replacement ASAP
- The door mechanism has been eroded
- The furnace does not operate whether the door is open or closed
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Before you decide on buying or ordering a new Carrier 48HJF012 replacement part, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the correct furnace door switch is the one being purchased. There is no need to install the replacement part alone. Consult with a professional in your community to hire and install the part for you.
Feel free to download your manual for help.
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