mains | Page 8

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mains

  1. S

    Water Mains and F & E Heating Help - What to do?

    I am going away for the winter Have a traditional Heating system F&E system. 2 Tanks in the Loft one Large cold water and the small one I presume is for the central heating. and a water cylinder in the Airing Cupboard down stairs and a Valiant Boiler down stairs both located in the kitchen...
  2. T

    Chlorinating 63mm Mains??

    Just wondered if i can chlorinate a new installation of 63mm pipe myself and put the relevant certificate on it. I have already chlorinated it and pressure tested it but i am struggling to find the right way to email the info to united utilities. I am a qualified Plumber but just not very clued...
  3. 1

    Mains water supply.

    Hello Members, The stopcock at the bottom of the yard. This is the water supply from the water board. My side of the stopcock ~ what size is the pipe? Using 32mm MDPE, and if the size from the stopcock is 15mm,I will need 32mmx15mm(example)? Is the size from an old stopcock usually 15mm...
  4. G

    Mains stopcock broken

    Not much general plumbing experience. Mains stopcock handle sheared off. Street isolation only outside for 4/5 houses. So to save any faffing about was just going replace spindle. Question is do all stopcocks have same size spindle and gland thread?
  5. R

    Cold water tap won't drain after mains turned off..???

    Hi all, Just moved into a new house with a leaky tap, and want to change the washer over. Easy, right? Turned the mains off, but the cold (leaky) tap in downstairs loo won't stop running. All other taps (kitchen, bathroom etc. hold AND cold) went off. I left it running for maybe 15 minutes...
  6. Super Mario

    New water meter fitted now got loud noise from mains pipe?

    Makin loud intermittent noise since new meter fitted Does it need an expansion vessel?
  7. Savva

    Mains water getting hot when CH is on! What the heck is that about?

    I went to do a safety cert the other day on a Main 30kw Combi. When I called for heat, as well as the F&R pipes heating up, so did the mains supply pipe to the boiler! Had a quick look and the further from the boiler the cooler the pipe...any ideas what's causing this? Thanks guys
  8. U

    unvented cylinder 20/l min mains

    We are a 4 bed house. Not wanting a combo as had previously and the drop in pressure when switching taps on was annoying. We want to fit an unvented cylinder with 20/l min mains pressure. Will the pressure be ok (I don't expect it to beat down on me!) and will it run two showers simultaneously...
  9. Savva

    Mains Water pipe getting hot!

    I went to do a safety cert the other day on a Main 30kw Combi. When I called for heat, as well as the F&R heating up, so did the mains supply pipe to the boiler! Had a quick look and the further from the boiler the cooler the pipe...any ideas what's causing this? Thanks guys
  10. S

    Leaking Mains Water

    Hoping someone can suggest a workaround for this problem. I have a leaking tap which is connected directly to the mains supply (just moved in to a new house) and I want to try and get it sorted as an outside water supply. Trouble is we live 800+ metres from the mains cut off and I'm on a water...
  11. T

    90mm water mains

    The job im on at the minute has had a 90mm water mains run into the building which I need to put a stop tap and double check valve on for water board to inspect and then connect up. Its massively oversized for what its serving, 32mm would have been plenty. The biggest mdpe ive ever...
  12. A

    Mains water filter

    Can anyone recommend one? Inline would be preferable.
  13. eagleeye

    mains booster pump

    We installed a combi boiler on the 4th floor of an old block of flats a while ago and noticed the mains water pressure was extremely low. When we filled up heating we could only get it up to 0.7 bar. So you can imagine what the hot water is like once it goes through plate exchanger. Landlord now...
  14. T

    Legal pump on mains?

    I live in a block of flats. We have excellent (turn the taps on and stand back excellent!) cold mains direct into each property, no tanks in lofts etc. The hot is supplied via a copper immersion cylinder in each flat - the pressure being from a small header tank atop the hot tank. Hot pressure...
  15. C

    Mains water instead of cold tank to power shower

    Hi all, I am not a plumber, I just come here for advice and tips as a customer of professional plumbers. I need to replace my power shower unit, but upon investigation it seems that my power shower was plumbed with the cold feed coming from the mains opposed to the cold water tank. Am I right...
  16. B

    Mains static pressure off the scale!!

    Hi everyone, I'm new here and would love some advice regarding my mains connection. I'm near completing my barn conversion, and this morning filled up my system (thermal store,rads,ufh etc)with the help of my plumber(who is now gone and unavailable to ask for advice!). I fitted a new prv just...
  17. U

    Water mains

    Hi I've got a problem the builder has put a incoming mains on a new build and didn't cap it and the other end is coiled on the path water board has told him to retify it so I've flushed it out with water and capped both ends the water board has come out again and said they wouldn't continue till...
  18. T

    Relocate mains water supply

    Evening all, Fresh to the forum so hello first! Well right to it. I am currently mid flow with a new kitchen design but need to establish something before we go any further. My mains water supply comes in directly under where the sink is currently located as normal. But if tou check the...
  19. U

    Mains water pump

    Popped over from the tilers forum. I need a bit of advise on mains water pumps and compensaters. I have been looking at the stuart turner mains booster 300 which should sort out the low pressure. I'm having an en-suite in the loft and have a combined boiler. My flow is about 10lt a min but...
  20. B

    New water mains through terrace house

    Mains pipe in concrete floor is leaking. Running new up wall through upstairs floors. What's the regs on logging etc
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