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International Comfort Products GPCM48L120F Furnace Door Switch
A furnace door switch is a safety feature that prevents initial fan and ignitor from switching on in order to prevent injury and fire. It is extremely important that the device is switched out ASAP if you find it to be faulty.
What signals that my safety switch on the furnace door needs replacing?
- The safety door switch looks like it is broken
- The whole system does not fire up whether the door is open or closed
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