I have replaced both PRV and expansion tank and still have an issue with water pressure when one or more taps are used. Any ideas for my next step.

  • Have you checked for particles in your aerators and cartridges? – JACK Jan 24 at 18:17
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    Do you have a pressure gauge available? It would be helpful to know if the pressure is dropping before or after the PRV or only at the tap. – jwh20 Jan 24 at 18:23

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