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HOME > HVAC > CARRIER > 48GP042090300 > FURNACE DOOR SWITCH

Carrier 48GP042090300 Furnace Door Switch

The job of the furnace door switch blocks the vent fan and other risky devices from turning on so as to avoid injuries. It is quite important to have it switched out as soon as possible if it is causing you problems.

What to see if the switch on the furnace door is about to stop working?

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Check eBay to see if your furnace door switch is in stock!
If you decide on picking up or ordering a new Carrier 48GP042090300 replacement part do your best and double check the model number as well as make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. If you are not sure about the installation of the furnace door switch on your own then it would be in your best interest to consult a pro to do the work for you.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!