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International Comfort Products PGMD42G115 Furnace Door Switch
A furnace door switch is a safety feature that stops the vent fan and burner from starting in order to prevent injury and fire. Do not try to fix it, just have it exchanged for a new one as quick as you can especially if you suspect it is not working properly.
Important red flags of a barely functioning safety switch on the furnace door
- The furnace door switch seems breaking apart
- The whole system will not begin whether the door is off or on
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