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Lennox G61MPV-36B-071 Furnace Door Switch
The furnace door switch is a safety switch which inhibits initial fan and other risky devices from activating in order to prevent injury and fire. It is imperative that the switch be replaced as quick as you can if you suspect that it is not working.
Some warnings of a bad safety switch on the furnace door
- The furnace will not begin even with the door closed
- The furnace door switch looks like it is bent badly
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