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Sanyo KHS1872 Furnace Door Switch
A furnace door switch is a switch that blocks the blower and gas ignition from turning on so as to stop a potential explosion. It is imperative that the switch be swapped out as soon as you can if it is damaged so as to prevent something bad happening.
Major signs your furnace door switch should need replacing
- The system does not operate whether the door is off or on
- The furnace door switch appears to be removed
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