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International Comfort Products PGMD24G0905 Furnace Door Switch
A furnace door switch is a safety feature that blocks the blower and gas ignition from turning on in order to prevent injury and fire. It is vital that this part be substituted for a new part immediately if you can, if it is causing you problems.
What to see if the safety furnace door switch is almost dead?
- The safety door switch seems to be beat up
- The furnace will not run whether the door is open or closed
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