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Paragon W13 Furnace Door Switch
A furnace door switch is a switch that inhibits the draft inducer and ignition sequence being triggered to start so as to avoid injuries. It is quite important to have it traded for new one quickly if it is defective in some way or another.
Subtle hints the switch on your furnace door should be replaced
- The door switch looks like it is messed up
- The system will not operate whether the door is open or closed
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