"david lang" wrote in message
k...
greg leece wrote:

My question is, how do I fix the noise and vibration?

Fit one of these in the pipe somewhere 86348 Flexible Pipe Connector 15mm
x
15mm
http://www.toolstation.com/shop/Plum...ors/d20/sd2807

You eliminate the problem at source, clipping pipes and replace ball valve
in the tank.