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Samsung AVMWC040CA0 Furnace Door Switch
A furnace door switch is a switch that inhibits the draft inducer and ignitor from turning on in order to prevent injury and fire. You should really have it swapped out as soon as you can if it is causing you problems.
Major clues your safety switch on the furnace door is not going to last much longer
- The safety door switch looks as if it has been beat up
- The whole system does not even thing about starting even when you close the door
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