However, the maximum water pressure recommended for residential buildings is 80 psi. Excessive water pressure can cause leaks, ... If you have a pressure regulator on your water line, ...

Residential water pressure should run between 30 psi and 55 psi. Pressure exceeding 55 psi can potentially damage clothes washers, dishwashers, icemakers and other water-supplied appliances.

Residential water pressure should run between 30 and 55 pounds per square inch. Greater pressure can damage washing machines, dishwashers, ice makers and other water-supplied appliances.

Founded 135 years ago by English emigrant, Joseph Edwin Watts, the Watts Regulator Co. supplied steam and water pressure regulators to the nascent textile manufacturing industry in Lawrence, Mass.