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Carrier 50JS018300 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and ignition sequence from activating so as to stop a potential explosion. Do not waste time and have it exchanged for a new one as soon as possible especially if you suspect it is not working properly.
Simple warnings that your switch on the furnace door is in need of a replacement?
- The HVAC system does not fire up whether the door is off or on
- The door switch has been bent badly
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