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Carrier 38YRA042 Furnace Door Switch
The furnace door switch is a safety switch which stops the vent fan and ignitor from activating so as to stop a potential explosion. It is extremely important that the device is switched out as soon as you can if you find it to be faulty.
Warnings of a poorly performing switch on the furnace door
- The furnace door switch seems to be chipped
- The system will not begin whether the door is off or on
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If you are going to be buying or purchasing a replacement furnace door switch for your Carrier 38YRA042 do your best and double check the model number and also make a visual inspection in order to be sure the correct replacement furnace door switch is the one being purchased. Once you have the part to install the replacement part alone. Hire someone with experience in your town or city to do the job for you.
Feel free to download your manual for help.
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