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International Comfort Products PGMD48G1356 Furnace Door Switch
The furnace door switch is a safety switch which prevents initial fan and gas ignition from turning on so as to stop a potential explosion. It is vital that this part be switched out swiftly if it is damaged so as to prevent something bad happening.
Signs of an ineffective switch on the furnace door
- The whole system will not operate whether the door is open or closed
- The safety door switch has been broken badly
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