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Samsung EH052CAV Furnace Door Switch
This switch prevents initial fan and ignitor from starting in order to prevent injury and fire. It is extremely important that the device is exchanged for a new one as soon as possible if you suspect that it is not working.
Major clues of an ailing safety switch on the furnace door
- The door switch looks as if it has been broken badly
- The whole system does not begin to work whether the door is off or on
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