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Carrier FE5A Air Pressure Switch
The job of the pressure switch is to sense if the blower fan is doing what it is supposed to do. Most air pressure switches may have a reset feature that is manual, which means it would need to be reset before the entire HVAC system will continue operating again. An air pressure switch is one of the key devices that are created to keep you from harm.
Indications of a Declining Air Pressure Switch
- The furnace or AC will not operate.
- The desired temp is never achieved.
- Incorrect volt range being read.
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