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Fujitsu AOU18RLXFZ Air Pressure Switch
The reason for the existence of the switch is to sense if the air blower is circulating the air as it should. This is part of a small, but important collection of devices that are created to keep you from harm. Various air pressure switches can have a manual reset, which makes you reset it by hand before the system will continue its normal operation.
Signs to Look for when the System Pressure Switch is About to go Bad
- Incorrect volt reading.
- The correct temp is rarely fully attained.
- The blower is unable to operate properly.
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