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pipework

  1. L

    What could be causing this noise in the tundish?

    Hi all, anyone know what could be causing this? Everytime I flush the toilet the (what I think is called) tundish makes a gurgling sound. I live in a flat and sometimes when the people upstairs flush too it can be heard. I had a similar issue about 4 months ago whereby it was leaking due to the...
  2. I

    Water hammer/noise from pipework at night?

    I attended a Job where the customers complained about noisy pipes more often late at night bur sometimes in the day. While I was there, there was no issue but the combi boiler was set to preheat and they said they usually put the washing machine on late at night. With their permission I turned...
  3. S

    Capping off redundant pipework question.

    Hi all. I done some work for someone a few years ago and I've been getting paranoid that things haven't been done the right way. I capped off a gas cooker supply that was no longer in use, left the redundant pipework capped off at the appliance isolation valve in the kitchen. I'm getting...
  4. P

    Changing from system to combi boiler with under floor pipework.

    Wondering should i change a system boiler with a combi if I have underfloor pipes in a single storey 2 bed 90s bungalow There are only 9 bungalows in the close and I was told 2 of these had leaks in floor when they changed to a combi by a neighbor. He said as he was an engineer he would not...
  5. K

    Limescale filter resins in internal cold water pipework

    Hi All, I have an undersink 3-stage water filtration system. The limescale media (resins) leaked into the internal cold water lines. The filter had two sponges, one at the top and one at the bottom, that shifted, causing the media to end up in the pipework. I managed to unblock the tap nearest...
  6. K

    Running copper pipework above / across a Gas boiler?

    Hi all, this is probably a daft question but I need to run my cold feed from one side of my wall mounted boiler to the other. Running it beneath the boiler is difficult with lots of obstacles, is it okay if I run soldered copper over / across the top of the boiler? It'll be about 4" off the top...
  7. M

    Installing pipework to avoid airlocks

    How it best to install pipework to best avoid airlocks with gravity hot water. Install level or slightly down hill in direction of flow? Thanks
  8. M

    Unvented cylinder D2 pipework installation to toilet waste pipe

    Hi guys, just want to get advice, i want to replace venten to unvented cylinder, is it ok to install D2 pipe to toilet waste pipe see picture? as there is no easy options to get it outside.
  9. C

    Chasing wall for basin pipework under window in bungalow

    I’m fitting a small basin on a floating countertop (30x40cm) and will be chasing the internal clinker block wall to around 100mm wide to accept a 32mm waste and two 15mm copper pipes. There is no option to box the pipes in whatsoever due to space. I’m looking to fill the cavity with foam rather...
  10. F

    How dangerous is air testing pipework

    I've air tested pipework for years, typically 4 bar for 30 minutes. I've never had an issue with any pipework that has passed that test, occasionally you get a small leak from the air test typically old cap ends/scratched pipe which shows up easily on the test without having to inspect anything...
  11. H

    small heatrae megaflow pipework query

    Hi all , i came across a heatre mega flow today and couldn't get my head round something , it was heated via a boiler through the coil but the puzzle is that there was a secondery return from the hot water circut that also acted as the cold feed in seprated by a NRV to stop the hot going back...
  12. C

    Unknown lead (?) Pipework to building exterior

    Hello all, I'm preparing an estimate for a bathroom renovation in a block of flats. As always I'm trying to flag up / plan for and cost as many possible unknowns as possible in advance. One thing that I've not seen before is the ~50mm pipework connecting into the soil stack (see picture). My...
  13. H

    Pipework changes needed to replace a conventional boiler to a combi ?

    What pipework changes are needed to replace a conventional open vented gravity boiler to a combi boiler ? Would toilet flush/cisterns need replacing ?
  14. irishwildman

    Outdoor Gas Meter Pipework

    hi i am currently moving home and i have been told by a plumber that the enc pipework into/out of this gas box would not pass a gas safety test. I have also been given a safety certificate to say that there is nothing wrong with the pipework. Can anyone advise thanks
  15. R

    New render and pipework

    Do I arrange new pipework to be fitted (downpipes and sink and washing machine waste pipes) before or after new render is applied?
  16. C

    Pumping over on vented system, despite cleaning, new pipework and ..

    … praying to the plumbing God, Bob Pictures and layout details attached, so be patient. 21 year old oil fired system in pretty good nick. I noticed some minor pumping over from the vent (occasional burst of water, and the odd dribble). Didn’t think much of it as I was about to replace the...
  17. I

    Is this pipework acceptable???

    Hi, we've had our central heating system put back into the ground after all the pipework being in the attic. I don't know anything about plumbing so I paid up when the job was finished (£1000) my husband and father in law came home and were not happy with the pipework! The pipes are way above...
  18. K

    Is this pipework correct for a shower

    We are having a shower fitted and the pipework in our loft looks very fragile, is this correct?
  19. J

    Old pipework size in bathroom

    Hi I've had to cut hot and cold feed to re route for bathroom feeds. The 22mm Copper pipe hot feed is slightly smaller then my 22mm Copper. Solder fittings just slip over it and are really loose so I gather this is old imperial pipe, so I shall use a 3/4 to 22mm coupler. However on the...
  20. C

    DIY shower with exposed pipework

    Hi everyone. I'm installing a walk in shower, opening into shower will be on right, mixer value on right, but shower head and drain on left. The pipe work from the shower mixer valve is exposed silver colour pipework. the pipe work will run up from the valve then take a hard left at the ceiling...

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