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International Comfort Products PYMC Air Pressure Switch
The job of this type of switch is to sense whether the blower fan is circulating the air as it should. Various air pressure switches can have a manual reset, which means it will have to be manually reset before the system will continue its normal operation. This switch is one of many other devices that are created to keep you from harm.
Signs that the System Pressure Switch is Starting to Go
- Bad voltage range being used by the switch.
- The set temperature indoors seldom fully attained.
- HVAC system will not operate properly.
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