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Carrier 48GS042060300 Air Pressure Switch
The job of this type of switch is to sense if the primary blower is doing what it is supposed to do. An air pressure switch is part of a small, but important collection of safety creations designed to keep you from harm. Some particular air pressure switches are designed with a reset that is manual instead of automatic, which means you have to physically reset it in order for the system to begin normal operations again.
Symptoms that the System Pressure Switch is Starting to Go
- The furnace can't ignite the gas.
- Bad volt reading.
- HVAC system does not actually get to the right temp.
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