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PT: PRV with Gauge Question

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PT: PRV with Gauge Question

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PT: PRV with Gauge Question

Hi,

I have a Caffeli PRV near the mains stopcock. Static pressure fluctuates between 3-4 Bar and when a tap is opened it sits around 2 Bar. No issues with pressure but trying to gain an understanding of how it should be setup to protect appliances. I do have a couple of Grohe toilets that make a slight thump when the filler shuts off abruptly.

With taps running is I adjust the PRV I can decrease / increase the pressure but it tails off (doesn't increase) beyond 2 Bar. Is that where I should set it at? From what I have read, the fact that my PRV adjusts pressure with water flowing indicates that I can't control the static pressure. Is static pressure of 3-4 Bar too high?

Thanks in advance...

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