People here have mentioned valid reasons that a PRV makes sense. You
seem to be asking for someone to convince you - that is not the
function of a newsgroup. It's an exchange of ideas - whether you
choose to accept the advice and experience of other is up to you.
The plumber you originally spoke to has some issues that would tend to
throw his conclusion into question - that does not mean he was
offering bad advice, nor offering a good price. Have you picked up a
phone to get another opinion or are you still trying to solve this
Here's Watts page on PRVs to get you started on some research of your
Please note the part about reduced water consumption and cost savings.
You should also take a look at how you are quoting people in your
replies. A little tweaking needs to be done. You are not providing
an attribution to the quoted commentary which makes it difficult for
people to follow who said what. Top posting just adds to the problem.
I don't think it matters how long the needle stays there. I'd be
putting in a pressure reducer. High pressure is going to be hard on a
lot of things, such as toilet valves, etc. Coming home or getting up
to find a wet floor is not pleasant.
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