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Carrier P3 Furnace Door Switch
The job of the furnace door switch inhibits initial fan and gas ignition from turning on so as to stop a potential explosion. You should really have it swapped out quickly if you find it to be faulty.
Red flags your furnace door switch has to be replaced
- The door switch looks messed up
- The whole system does not fire up with the door closed
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If you are going to be buying or ordering a replacement furnace door switch for your Carrier P3 do your best and cross-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. Replacing a new furnace door switch can be quite easy if you know what you are doing and have the tools to do it right.
Feel free to download your manual for help.
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