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SPT WA-8088E Furnace Door Switch
A furnace door switch is a switch that blocks initial fan and gas ignition from switching on so as to stop a potential explosion. It is imperative that the switch be swapped out as soon as you can especially if you suspect it is not working properly.
Warnings of a faulty switch on the furnace door
- The safety door switch is not there
- The furnace does not even thing about starting even with the door closed
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