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pipes

  1. L

    Help - plastic pipes touching radiator

    Hi. Can anyone tell me if it's ok for plastic water pipes to actually touch the radiator? Thanks
    • lloyd Davies
    • Thread
    • pipes plastic radiator
    • Replies: 1
    • Forum: UK Plumbers Forums
  2. J

    Help connecting sink pipes back together

    I can’t work out how to connect this pipe back to the pipe on the wall. Every time I try water leaks down the back wall. Help appreciated. Thanks (images below). https://www.dropbox.com/s/codq3hviw5unrnv/89449072-9E1A-4B62-8A50-1EEF098CC2E4.jpeg?dl=0...
  3. M

    System boiler and plastic 10mm pipes to rads

    I am told I need to replace my boiler. I am considering a system boiler so I can lose the tank in the loft and feed it direct from the mains water. My rads are fed by 10mm plastic pipe. Is there much of a pressure increase with a system boiler and will the plastic pipe joints (e.g. John Guest...
  4. D

    Justifying the 'Rules of thumb' for 15mm and 22mm CH pipes

    Hi All, I'm trying to work out why the 'rule of thumb' is ~3 radiators on a single 15mm run... I've calculated the heat demand of my house at ~14kW: 3 bed 1930s solid wall, end terrace, no wall insulation 7 radiators 2 air change per hour for all rooms 21deg in all rooms When I do the...
  5. C

    Humming vibrating pipes near mains inlet valve

    Not on the hot but whenever a cold tap is ran in the bathrooms or toilet flushed the two cold water pipes reverberate round the house. The cold mains and the balanced cold. We changed the water inlet valve with PRV last week but the problem has come back quickly. Is the street pressure too...
  6. D

    Basin removed but I want to use the pipes….can this be done

    I had a basin removed and my builder capped the pipes and plastered them into the cavity wall. If I want to resurrect them can I do that to plumb a washing machine into a new ‘utility’ area next to the pipes? My assumption is there will be a cold water pipe, hot water pipe and a waste pipe in...
  7. J

    Baxi 830 radiator pipes connected wrong way round on boiler

    Baxi 830 plumbed in correctly Hi all I have a new baxi830 4 months old. Noticed the other day that the central heating flow and return pipes too and from My rads are connected to the incorrect boiler couplings. Eg the radiator flow pipe is connected to the radiator flow return connection on...
  8. S

    Low carbon steel pipes and rad valves

    Hi all hope all is well with everyone. Im a plumbing and heating engineer and I have worked only on domestic systems but am currently crossing over to commercial plumbing. I havent ever really done any steel pipework hence my question to you . . How or what is the procedure to changing a rad...
  9. G

    Water pipes buried under floor advice needed

    Hello, I hope someone can help me. I'm in England. I would like to know if it's okay to bury copper water pipes under a concrete floor. I've tried to look up the regs but's it's like double dutch to me. The pipes will be wrapped in hessian, overlaid with PIR insulation and then screed. I don't...
  10. H

    Hot Press Pipes Question

    Hi : I’ve no idea about plumbing so please be patient. The plethora of pipes in my hot press, which one is the cold water feed to my central heating system? I have an oil boiler in the garage. Thanks.
  11. C

    Pipes attached to rafters

    We're having the loft converted at the front of our house, and the plumber has routed the new water and central heating pipes via the rafters in the back loft (which isn't being converted). He's wrapped some insulation (looks like TopSleeve) round them and assures me it'll be fine. I'm worried...
  12. J

    Thames Water lead pipes - meter to stopcock liability?

    Hi all. Thames Water lead pipes - meter to stopcock liability? I have had contradicting info. from TW & employees regarding the TW /consumer onus to repair or replace and various dates relating to policy changes. I was denied a free change or repair 5+ years ago. Also been told that near future...
  13. S

    Are these ugly pipes supposed to show so much?

    Please can someone advise me? The builder finished creating my new-build wetroom yesterday. I was disappointed to see the water pipes so prominent and noticeable. So I looked online at similar installations and the water pipes never show in any photo, only the waste. My questions are: Has...
  14. C

    Chasing water pipes into the wall - opinion

    I apologise in advance that this might not make sense or be full of silly/obvious questions, but I am a novice at all this! We have recently knocked through from our kitchen to a new extension to create an opening. Various things have been moved from the wall that was knocked through, including...
  15. K

    Distance between Hot & Cold pipes?

    Hi all, I was just wondering when running hot and cold copper pipes side by side is there a minimum distance they should be apart according to regulations? Thanks P
  16. Old house

    WHAT CAN I DO WITH THESE PIPES IN LOFT - Survey says DIY standard?!

    Hi All Newbie so please bear with. We are selling our old house - built 1880. The purchaser has shared their survey report which states that the pipe work in the loft is of DIY standard. This was done before we bought house 10 years ago, and everything works fine but obviously I have to try and...
  17. B

    ADVICE-40mm waste leaking ceiling. Pipes at angle/undefeated pressure?

    Hi I fitted a bath/shower 12 years ago and a few months ago it developed a leak. It was basically at a coupler on 40mm solvent where my new white PVC joined the existing grey PVC. I cut a hole in the ceiling and could also easily view it with the bath panel off but not access it from there...
  18. F

    32 Ideal Vogue Max - reduce pump speed? (noisy expanding pipes)

    Hello all, At the start of the year I had a 32 Ideal Vogue Max fitted and all was well, it's working fine. Problem is, I was getting floors done at the same time so I had a very limited time to notch out / felt between the pipes & joists. I thought I got them all but, I didnt and the noise is...
  19. O

    Tee 15mm pipes from 15mm pipes for CH

    Hi all, I need to fit a new rad but the location of it has an obstruction. I initially wanted to tee from the 22mm pipes but right beside them and in between my new rad and the 22mm pipes are two 15mm pipes heading to another rad. I'm a DIY'er and trying to keep my joints to a minimum, I'm...
  20. D

    Insulation on chased-in pipes

    HI Plumbers, I need some advice on our chased-in pipes. We had plumbers tell us an array of different things. Questions: 1) Do copper pipes need insulation? 2) if so what type? 3) Do Pex pipes need insulation? 3) if so what type? I know they have been done already but I'm going to...

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