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Nordyne M1M Furnace Door Switch
The furnace door switch inhibits the draft inducer and ignition sequence being triggered to start so as to stop a potential explosion. It is vital that this part be traded for new one as soon as possible especially if you suspect it is not working properly.
Major clues of a faulty switch on the furnace door
- The furnace does not fire up even with the door closed
- The door switch seems broken
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