A pressure reducing valve (PRV) is a simple device that prevents excessive municipal pressure from damaging home plumbing. Many water mains deliver well over 100 psi, and some systems exceed 200 psi. Many plumbing codes require or recommend a PRV when inlet pressure rises above roughly 80 psi. For typical homes, setting a target of 50–70 psi protects pipes, fixtures, …
Can You Use a Watts Water Regulator for Hot Water Lines Safely








