banging in hot water pipe

[apcdave]

know its been done to death in previous posts......but long story short...fitted new basin taps. The pipework supplying the old taps was in copper but heavily painted over and criss crossed at back of the basin - one ugly mess. So i thought would tidy it up and fitted iso valves/ flexi connectors etc.Anyway now customer complaining about banging in the hot tap.Have already been back and clipped the copper to the wall as thought it may have been movement causing the banging. But apparently it's still happening. Should say both hot and cold supply is at mains pressure. One other thing... under the floor it's copper to plastic back to copper and then to the flexi connector. Have to go back next week but need some ideas. Maybe need to do away with the flexi and fit copper instead?

cheers fellas

dave

 

[SimonG]

New taps ceramic disc quarter turn and old taps not?

 

[lame plumber]

tap washer fallen off hot tap?

 

[apcdave]

no simon - replaced like for like. No ceramic discs involved

 

[apcdave]

will take the tap apart and check washer etc next week lame

 

[SimonG]

I'd strip down the hot tap and make sure everything is how it should be as LP said above.

 

[apcdave]

Ok thanks chaps

Happy New Year

dave

 

[SimonG]

Ok thanks chaps

Happy New Year

dave

and to you.

 

[JCplumb]

It's possible that before you turned the water off at the incoming stop tap - it was previously only partly open. Once you finished the job you opened it up fully, if the tap innards are fine it might be worth knocking the stop tap back a turn or two to see if you can find a happy balance of pressure/lack of banging.