A pressure reducing valve, often called a PRV, is a practical device that reduces high municipal water pressure before it can harm household plumbing. Many water mains deliver well over 100 psi, and some systems exceed 200 psi. Most plumbing codes call for a PRV when incoming pressure tops about 80 psi. For many homes, a 50–70 psi target supports …
The Best Tools Required to Swap Out an Old Watts Water Regulator








