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DeLonghi WE110 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the vent fan and ignition sequence from starting so as to avoid injuries. You must have the device traded for new one ASAP if it is defective in some way or another.
Some clues of an ineffective furnace door switch
- The switch has been bent
- The furnace does not function even with the door closed
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