Plumbing Questions? Ask a Plumber and Get Answers ASAP.
Hey I would like to help you with you high pressure problem. So we're on the same page you bought a pressure reducer put it on your cold water inlet of your waterheater. If so not sure why they said to put it there. We're it should be installed is out side right after your water meter. That way it reduces the pressure on your entire plumbing system.