Screechy Pipes

[Imperial Works]

Hello Hello

I recently had a job to fit a shower, not a problem....however the water storage tank is at the same level so my client had some one come and fit a negative pressure pump, i checked it out before i started the connection and it looked to be absolutly fine but now the pipes screach every time the hot water is used

do you think that it could be due to the hot water storage temp being to high? or is the pressure to much for the system?


appreciate your help on this one thanks

 

[bobpape]

Could it be the pump bearings,
alternatively it could be a variety of water hammer.

 

[Imperial Works]

I don't reckon its the pump as its brand new, so its probably the water hammer option what is the best thing to do for it?

 

[bgec]

Hello Hello

I recently had a job to fit a shower, not a problem....however the water storage tank is at the same level so my client had some one come and fit a negative pressure pump, i checked it out before i started the connection and it looked to be absolutly fine but now the pipes screach every time the hot water is used

do you think that it could be due to the hot water storage temp being to high? or is the pressure to much for the system?


appreciate your help on this one thanks

Could be a bit of solder or gunk in the pump was it all flushed out before the install?

 

[Jimbob]

make sure pipe is well clipped

 

[waterntor]

Runs of copper pipe slotted into joists often squeak a bit during expansion. Cut a piece of PIFA membrane to bed the pipe in the slot. If pipe through holes in joist, drill oversize hole when installing and loosely wrap PIFA, sliding it into hole, do not tape plastic to pipe.

 

[justlead1]

Hi. Check for any restrictions in the pipework downstream of pump. EG. A valve partly closed, or pipe collapse on a bend. As this can create noise, due to the higher velocity/speed through such a restriction. Good Luck

 

[WHPES]

While it's screeching, feel along the pipe and try and identify the source. Sometimes touching it in the right place can stop it.

 

[stevetheplumber]

pipes dont normally schreech that sounds like the pump is running dry

 

[Imperial Works]

Could be a bit of solder or gunk in the pump was it all flushed out before the install?

i didn't install the pump so it could need to be flushed out is that done with the same stuff that the you flush raditor systems with ?

 

[justlead1]

Hi. I think you have blown your cover with that question.

 

[Renewable M]

screechy pipes can mean lots of pressure through an inadequately sized pipe or apperture.

Is the post-pump pipe-work (try saying that with your false teeth in) correctly sized???

e.g. 3 bar salamander pump, good run of 15mm post pump with various restrictions, i.e. elbows or t's and a ball-o-fix adjacent to the outlet.

 

[REDSAW]

check the pump filters.

 

[moony]

Hi. I think you have blown your cover with that question.

that made me laugh.

sounds like the pump- a good check will confirm it, wheres the sound coming from? pipes or the pump? hasx the pump been installed correctlly - pipe sizes from pump to pump etc. if the pump and pipework wasnt flushed out then damage could already be done. get the book for the pump and check for yourself if it has been done properly matey.