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Whynter ARC-10WB Furnace Door Switch
The furnace door switch stops the vent fan and burner being triggered to start so as to stop a potential explosion. It is extremely important that the device is traded for new one ASAP if you find it to be faulty.
Known indicators the your switch on the furnace door is in need of a replacement?
- The HVAC system does not begin to work whether the door is off or on
- The switch seems eroded
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