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Bryant 348 Furnace Door Switch
A furnace door switch is a switch that blocks the vent fan and ignitor from activating so as to stop a potential explosion. Do not try to fix it, just have it swapped out quickly if it is defective.
Key indicators that my furnace door switch is failing?
- The furnace will not fire up whether the door is open or closed
- The safety door switch appears to be breaking off
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Before buying or ordering any Bryant 348 replacement part, do your due diligence and cross-check the correct model as well as 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 installing the furnace door switch on your own then it may be wise to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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