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Carrier 58MXA040 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and ignitor from starting in order to prevent injury and fire. You should really have it replaced immediately if you can, if it is causing you problems.
Signals of a failing switch on the furnace door
- The whole system will not fire up even with the door closed
- The switch is breaking off
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Before you decide on buying or purchasing a new Carrier 58MXA040 replacement part, do your due diligence and double check the correct model and also make a visual comparison so that you are positive that the proper replacement furnace door switch is the one being purchased. If you are unsure about the properly replacing the furnace door switch on your own then it may be wise to consult a pro to do the work for you.
Feel free to download your manual for help.
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