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International Comfort Products NHP248GKA1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the vent fan and ignitor from switching on so as to stop a potential explosion. You should really have it traded for new one ASAP if it is not working in order to prevent injuries.
Signs your safety switch on the furnace door needs to be replaced
- The system does not run whether the door is open or closed
- The switch has been removed
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