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International Comfort Products HAC424AKA1 Air Pressure Switch
The job of an air pressure type switch is to determine whether the blower fan is on and running. This pressure switch is one of the most crucial aspects of the whole safety system that is intended to keep you from harm. Some particular air pressure switches are programmed with a manual reset, which means you have to physically reset it in order for the HVAC system to continue running.
Signs that your HVAC Air Pressure Switch is Already Failing
- The furnace or AC can not operate properly.
- Inaccurate volt range reading from the switch.
- The right temperature in the house is rarely attained.
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