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Payne PY2PNB060090AA Furnace Door Switch
The furnace door switch is a safety switch which blocks initial fan and ignition sequence from starting so as to avoid injuries. It is important to get the part changed immediately if you can, especially if you suspect it is not working properly.
How do you know if your furnace door switch is almost going bad?
- The door mechanism looks like it is eroded
- The whole system does not turn on whether the door is open or closed
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