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SPT WA-1070E Furnace Door Switch
A furnace door switch is a switch that inhibits initial fan and ignition sequence from starting so as to avoid injuries. Do not try to fix it, just have it traded for new one at once if it is damaged so as to prevent something bad happening.
Signs your furnace door switch needs to be replaced
- The furnace will not operate with the door closed
- The furnace door switch looks eroded
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