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Carrier FE4ANF005000 Air Pressure Switch
The actual job of an air pressure type switch is to sense whether the blower fan is circulating the air as it should. This is part of a small, but important collection of devices designed to keep you safe. Various air pressure switches may have a reset feature that is manual, which makes you reset it by hand before the entire HVAC system will continue operating again.
How is it Known when the System Pressure Switch is About to Fail
- Inaccurate volt reading.
- Your furnace refuses ignite the gas.
- The correct indoor temperature is hardly ever achieved.
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