The valve is on the main water line leading into your home.
Water line pressure regulator adjustment.
If you have city water the valve may be on the house side of the meter box.
The first step is to locate the supply line that provides water to your house.
Depending on your location and distance from the municipal water source incoming pressure can range from 80 pounds per square inch psi to 150 psi.
Change the water pressure in your home by adjusting the water pressure reducing valve to recommended house water pressure.
All pressure regulators have some form of adjustment.
Water pressure regulator control adjustment.
If you didn t have a pressure reducing valve installed between the municipal water system and your house the water pressure would break.
A water pressure regulator sometimes called a pressure reducing valve or prv is a specialized plumbing valve that reduces the water pressure coming into the home through the main water line this valve brings down the pressure to a safe level before the water reaches any plumbing fixtures inside the home.
Locate the water pressure valve for your home.
The pressure regulator reduces that pressure so damage and leaks do not occur within the home.
This article describes exactly how to adjust a building water pressure reducer or water pressure regulator control as part of diagnosing and correcting poor building water pressure or perhaps the need for a replacement water pressure regulator pressure reducer.
This will allow you to then find the water meter that is generally installed in the basement near the supply line.
Step 1 locate the supply line.