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Nordyne E3EB-017H Furnace Door Switch
The furnace door switch is a safety switch which prevents the fan and ignition sequence from activating so as to stop a potential explosion. Do not try to fix it, just have it changed as quick as you can if you find it to be faulty.
Known indicators the your safety switch on the furnace door is crapping out?
- The switch is messed up
- The HVAC system does not turn on even when you close the door
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