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International Comfort Products GDL075N12A1 Furnace Door Switch
The furnace door switch stops the draft inducer and other risky devices from switching on so as to stop a potential explosion. You should have the switch be exchanged for a new one as quick as you can especially if you think it is defective.
Symptoms your safety switch on the furnace door is on its last leg
- The door switch appears as though it has been messed up
- The whole system cannot run whether the door is off or on
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