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Carrier 50XL-A48 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and ignitor from starting so as to stop a potential explosion. It is quite important to have it replaced as quick as you can if it is defective in some way or another.
Important signs your safety switch on the furnace door is dying
- The HVAC system will not fire up with the door closed
- The door switch looks fallen off
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Before buying or ordering a new Carrier 50XL-A48 replacement part, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct furnace door switch is the one being purchased. Once you have the part to install the replacement part alone. Find a professional locally to pay to install it for you.
Feel free to download your manual for help.
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