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HOME > HVAC > CARRIER > 48XPN042090300 > FURNACE DOOR SWITCH

Carrier 48XPN042090300 Furnace Door Switch

A furnace door switch is a switch that inhibits the fan and gas ignition being triggered to start so as to avoid injuries. Do not try to fix it, just have it substituted for a new part as soon as you can especially if you suspect it is not working properly.

What are the clues to watch out for to know my safety switch on the furnace door has a need to be replaced?

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Before you decide on buying or purchasing any Carrier 48XPN042090300 part, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the proper replacement furnace door switch is being ordered. There is no rule that says you have to install the replacement part alone. Search for a pro in your town or city to do it for you.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!