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International Comfort Products NDN3075FBA1 Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and burner from starting so as to stop a potential explosion. It is imperative that the switch be swapped out as soon as possible if it is damaged so as to prevent something bad happening.
What are the signs that the safety door switch is about to go out?
- The whole system will not fire up with the door closed
- The door mechanism looks like it is broken badly
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