A pressure reducing valve, often called a PRV, is a practical device that controls high municipal water pressure before it can harm household plumbing. Some municipal mains deliver water above 100 psi, and certain systems can even exceed 200 psi. Many plumbing codes require or recommend a PRV when inlet pressure rises above roughly 80 psi. For typical homes, setting …
Signs of an O-Ring Leak Inside Your Watts Water Pressure Regulator








