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Carrier 42V Furnace Door Switch
A furnace door switch is a switch that stops the draft inducer and ignitor from turning on so as to stop a potential explosion. It is imperative that the switch be replaced as soon as you can if you find it to be faulty.
Some clues your furnace door switch has to be replaced
- The furnace does not operate whether the door is off or on
- The furnace door switch appears to be bent
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Before buying or ordering, do your due diligence and double check the correct model and also make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. You do not have to install the part by yourself. Hire someone with experience locally to pay to install it for you.
Feel free to download your manual for help.
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