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Friedrich MW24C3F Furnace Door Switch
A furnace door switch is a switch that blocks the blower and other risky devices from activating so as to avoid injuries. Do not try to fix it, just have it swapped out at once if you see that it is broken.
Major symptoms the switch on your furnace door is in dire straights
- The furnace does not operate whether the door is off or on
- The door switch appears as though it has been fallen off
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