Recent content by Tanker01

I called a plumber anyway and he suggested it wasn't the expansion vessel but instead the cold water valve that enters the cylinder, I've arranged for him to call down next week to try and diagnose it properly so I don't mess it up. Cheers for the replies.

Hi All, I have an unvented water tank that makes the vibrating sound when taps are turned on which I read is potentially down to the white expansion vessel pressure being off? There is no gauge on that one to see if it is at the recommended 3bar. I believe the valve to be under the black...