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LG LS-K1830CL Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and ignitor from activating so as to avoid injuries. You should have the switch be traded for new one quickly if it is damaged so as to prevent something bad happening.
General indicators that your furnace door switch will have to be replaced
- The door mechanism is wrong
- The HVAC system will not start whether the door is open or closed
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