Advice on replacing PRV in a condo

[oldmaninparadise]

Live in a high rise condo in FL, 20 years old. When flushing the toilet or taking a shower, prv emits high pitched screeching sound. It does not do this when just running the faucet. I need to replace this. I have done this when I owned a home, but at the condo we need a licensed plumber with insurance. There are a bunch of plumbing companies that the condo works with, I have called them and gotten quotes from 800 -1300?!?

This is a watts PRV, see pic, I am pretty sure this is 1". I am thinking this is me getting taken. I thought the regulator is like $200 at most, and you just unscrew one end, then have to take a wrench and hold the other while rotating the unit off. Figure this can't take more than an hour? Or am I missing something, like the regulator is $500?

 

[Breplum]

They do make rebuild kits for those but, i have done rebuilds twice and it didn't fix the noise problem. So, caveat emptor.
You are correct that it is a simple plumbing task and it is a 1" PRV.

I recommend only going with a double union PRV from any major brand like Watts or Zurn. That will take a plumber (bc the spacing will be different). Find a local one or two person small outfit. But, frankly you will need a plumber to execute the new connection and do make sure they have the full license and insurance for working on an individual condo unit.

 

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[Fitter30]

Most plumbing companies charge by flat rate. They have no idea if your little mechanical room will be cleaned out or not. If the valve will hold and what little piping might have to replace. Just because you can buy a valve for $200 at a box store a plumbing house might be $225. Plumbing houses are not cheap they don't buy in same quantity and the quality also might be better (no one wants to do the job twice). Insurance what happens if your on the 3rd floor middle of the night some connection fails and wipes out three condos.

 

[Reach4]

Sometimes adjusting the PRV to a higher or lower pressure makes the screeching stop.

Also note that the upstream hex on the bottom is the strainer. I am not predicting that a partially clogged strainer is contributing to the noise. I do not know.