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International Comfort Products PGMD36H090A Furnace Door Switch
A furnace door switch is a safety feature that blocks the blower and other risky devices from activating so as to avoid injuries. It is quite important to have it traded for new one ASAP if you find it to be faulty.
Signs your furnace door switch will eventually need to be replaced
- The whole system will not run with the door closed
- The door mechanism looks like it is breaking off
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