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Carrier 380B Furnace Door Switch
A furnace door switch is a switch that stops the draft inducer and other risky devices from starting so as to stop a potential explosion. Do not waste time and have it switched out ASAP if it is causing you problems.
Known indicators the your switch on the furnace door is about to go out?
- The door switch appears as though it has been damaged
- The HVAC system does not function whether the door is off or on
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