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International Comfort Products GPCM30K060F Furnace Door Switch
A furnace door switch is a switch that prevents the blower and gas ignition from activating so as to avoid injuries. You should really have it switched out as soon as you can especially if you suspect it is not working properly.
Major symptoms of an ineffective switch on the furnace door
- The door switch looks like it is wrong
- The HVAC system will not operate whether the door is open or closed
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