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International Comfort Products GPFM60S140E Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and gas ignition from turning on so as to stop a potential explosion. It is vital that this part be replaced as soon as you can if it is causing you problems.
Major warnings the switch on your furnace door will not live much longer
- The HVAC system does not run whether the door is off or on
- The door mechanism looks as if it has been beat up
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