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Carrier 48XZN060130300 Furnace Door Switch
The furnace door switch is a safety switch which prevents the vent fan and ignitor from switching on so as to avoid injuries. It is quite important to have it exchanged for a new one as soon as possible if you see that it is broken.
Major signs the safety door switch needs to be replaced
- The door switch looks like it is bent
- The HVAC system does not function whether the door is open or closed
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