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Samsung AVMBC035EA0 Furnace Door Switch
The job of the furnace door switch prevents the fan and ignitor from turning on so as to stop a potential explosion. You should really have it swapped out immediately if you can, especially if you suspect it is not working properly.
Key signs of a laboring safety switch on the furnace door
- The door switch has been not there
- The HVAC system will not fire up whether the door is off or on
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