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International Comfort Products NNE075B12G1 Furnace Door Switch
The furnace door switch is a safety switch which stops initial fan and ignitor being triggered to start in order to prevent injury and fire. It is vital that this part be traded for new one quickly if you find it to be faulty.
Signs the safety door switch is going out
- The door mechanism is removed
- The HVAC system does not even thing about starting whether the door is off or on
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