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International Comfort Products PGMD18G0406 Furnace Door Switch
A furnace door switch is a safety feature that prevents the draft inducer and other risky devices from switching on so as to stop a potential explosion. It is imperative that the switch be traded for new one as quick as you can if you find it to be faulty.
What warnings should I watch out for to know if my furnace door switch is crapping out?
- The furnace door switch appears to be broken
- The whole system does not fire up with the door closed
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