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Carrier PSV Furnace Door Switch
A furnace door switch is a switch that prevents initial fan and other risky devices from starting so as to stop a potential explosion. It is vital that this part be swapped out as quick as you can if it is defective in some way or another.
Hints your furnace door switch will soon need to be replaced
- The switch appears as though it has been broken completely
- The furnace will not begin with the door closed
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