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Samsung AVMKH020CA0 Air Pressure Switch
The reason for the existence of this type of switch is to see if the blower is doing what it is supposed to do. Some particular air pressure switches may have a manual reset, from which the switch will have to be manually reset before the entire HVAC system will continue operating again. This pressure switch is one of the key mechanisms designed to keep you safe.
Signs that the Pressure Switch is Failing
- Wrong volt reading from the switch.
- System does not reach desired temp.
- The blower fan will not run.
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