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International Comfort Products PGAA18C1K6 Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and ignition sequence from turning on so as to stop a potential explosion. It is important to get the part switched out swiftly if you find it to be faulty.
Important red flags of a poorly performing safety switch on the furnace door
- The switch is fallen off
- The system will not begin whether the door is off or on
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