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Carrier 39LB Furnace Door Switch
The furnace door switch is a safety switch which stops the fan and other risky devices from starting so as to avoid injuries. It is crucial to have this part swapped out promptly if it is defective in some way or another.
What warnings should I watch out for to know if my safety door switch is almost going bad?
- The door switch seems to be wrong
- The whole system does not operate with the door closed
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If you decide on picking up or ordering any Carrier 39LB replacement part, do your due diligence and double check the correct model and also make a visual inspection in order to be sure the proper replacement furnace door switch is the one being purchased. There is no need to install the replacement part alone. Find a professional in your town or city to do it for you.
Feel free to download your manual for help.
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