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International Comfort Products HAC230AKA1 Furnace Door Switch
The job of the furnace door switch inhibits the vent fan and ignition sequence being triggered to start in order to prevent injury and fire. You should really have it changed ASAP if you find it to be faulty.
What warnings should I watch out for to know if my safety door switch is crapping out?
- The door switch seems to be bent badly
- The whole system does not function whether the door is open or closed
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