This switch is located in the outside unit. There are two types, high and low pressure switches. They allow your system to ensure that while it is running the pressures are where they should be inside that switches perimeters. If they are not, the switch will stop the operation of the system, protecting it from further damage caused by high or low pressures.
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Pure Air Conditioning
2043 Trade Center Way Naples, FL 34109Phone: 239-597-7873