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Mitsubishi PKA-A18HA Air Pressure Switch
The main job of an air pressure type switch is to see if the air blower is on and running. The majority of pressure switches may have a manual reset, which means it will have to be manually reset or the whole HVAC system will not continue operation. An air pressure switch is part of a small, but important collection of devices designed to keep everyone in the house safe.
What Signs are Present when the System Pressure Switch has Failed
- The furnace or AC can not run correctly.
- System does not achieve the desired temperature.
- Inaccurate voltage running through the pressure switch.
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