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Carrier 48XZN030060300 Air Pressure Switch
The reason for the existence of the air pressure switch is to sense if the blower is blowing air. Some particular air pressure switches are designed with a reset that is manual instead of automatic, which makes you reset it by hand in order for the HVAC system to continue running. This switch is just one of many hardware devices made to keep you from harm.
Signals that the Air Pressure Switch is Beginning to Go
- The correct temp is almost never fully achieved.
- The furnace can not run.
- Bad electrical voltage reading from the switch.
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