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Friedrich MW24Y3H Air Pressure Switch
The main job of this type of switch is to determine whether the blower is running properly. An air pressure switch is part of a small, but important collection of facets of the HVAC safety checks that are dedicated to keep you from harm. Various air pressure switches are programmed with a manual reset, by which you must manually reset it in order for the HVAC system to continue running.
Signs that the System Pressure Switch will go Bad
- The furnace or AC will not operate properly.
- Your system doesn't reach desired temperature.
- Incorrect volt range running through the switch.
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