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LG LS-J0910CL Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and ignitor from activating so as to avoid injuries. It is crucial to have this part replaced immediately if you can, especially if you think it is defective.
Some clues of a poorly performing safety door switch
- The system will not fire up with the door closed
- The door mechanism seems to be beat up
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