I just renovated a house that had a feature I haven’t run across before. Two inline pressure regulator valves on the main water line coming into the house.
The water pressure is high in the house - better now that I’ve adjusted it, but it’s been as high as 140. I adjust it, it’s good for a while, and then it creeps back up.
I suspect the whole street is in a high pressure area - based on a conversation with a neighbor.
I can replace the valve myself, but I wonder if replacing two questionable valves with one new valve will make a difference, make it worse, or if this will be a persistent issue.