PSI: acronym for Pounds per Square Inch. It is the method used to describe the amount of force (pounds) exerted across an area (square inch). In the home, it is used to describe the amount of pressure in the potable water system.
PSI
PSI: acronym for Pounds per Square Inch. It is the method used to describe the amount of force (pounds) exerted across an area (square inch). In the home, it is used to describe the amount of pressure in the potable water system.