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mains

  1. L

    Low mains pressure but only affecting cold water kitchen tap. Great pressure to outside tap.

    Our house has a grundfos home booster pump due to narrow victorian pipes in our area. We have been getting recurrent air locks over the past few weeks. After a grundfos engineer review, there is no inherent problem with the pump but the pressure of the mains water pipe refilling the water...
  2. S

    TWS Mains Boost Plus System - any experience?

    Hi, I've been speced a 45oltr TWS Mains Boost Plus for a client based on a 250lt unvented cylinder and 4 bathroom, 4 storey residential property. Has anyone got any experience or reviews on this system and how effective, any problems e.t.c? Any thoughts would be really appreciated? Thanks James
  3. S

    Water filter tap from Mains or from kitchen Tap supply?

    Is it better to go directly from the mains for a water filter tap or from the cold water running into kitchen tap. Is it cleaner from the mains line and ready to drink quicker? The water line runs from the main to the tank upstairs and back again for the rest of the house. Also splitting from...
  4. M

    Plastic cold water pipe distance from mains electrical cable

    Is there a required distance that a plastic cold water pipe needs to be from a mains electrical cable. Is an armored cable.
  5. K

    Hot water mains causing Pressure to rise.

    Hi all, recently noticed boiler pressure (Baxi 105e) was at 0. Topped it up to the boilers recommended 0.5 bar cold , still dropping. Went around the house and found two leaks on radiators, one at a blanking plug, one where water feeds in/out of radiator. resolved them both, great. It seemed...
  6. G

    water mains upgrade

    When upgrading the mains do thames water upgrade from the stopcock on the road to the house (pre laid pipe) or do they upgrade the communication pipe from the main supply to the stopcock and from the stopcock to the house? Im thinking if you upgrade the water mains to larger pipe size are...
  7. A

    Outside mains water isolator

    Hi I have a strange looking mains water isolator side my shop. I need to turn it off. Can someone shed some light on which tool I will require to do this.
  8. G

    Teeing in mains to feed a tea cabin.

    Ive been asked to run a mains feed to feed a tea cabin in a courtyard behind a shop. Its on land being leased from the shop which has the mains water supply. They want me to tee into their supply underground and run the new pipe to the new tea cabin. It will involve digging a trench across a 3m...
  9. S

    Mains water filter

    My customer has a problem with red silt coming through the mains water. He lives in an apartment on the second floor by a marina. He has asked for some type of filter to be fitted to the mains next to the stop tap. I am also to fit a salamander homeboost pump as he is only getting 8 litres...
  10. S

    Is it safe to turn off the mains poser

    Hi I'm a householder after some advice if possible please. I have a vailant eco tec 631 R1 boiler powered by a grasslin towerchron qe1 timer/power supply that is plugged into a switched mains socket We need to turn the power off in the house to do some work but I am concerned (because the...
  11. A

    Baxi duotec 40 flow restrictor on mains in

    Hi - just installing my own Baxi duo tec 40 as have had new water mains supply and water pressure is very powerful. On installing I noticed in the manual it says there is a flow restrictor built into the cold water inlet tail nut which connects onto the jig - my question is why would they...
  12. M

    Can i switch to cold water mains for upstairs taps

    Hi, sorry another question, im replacing my cold water tank and was wondering if there are any reasons not to switch the upstairs cold water taps to mains water rather than an indirect tank feed. The cold water tank feeds 2 taps and a shower. I have a mains pipe very close so would not be a big...
  13. G

    Re start system after water leak in mains

    Hi I have a Valiant boiler eco TEC Plus with a Mega flow and Boss expansion tank. I am not a plumber but just a practical guy and its Christmas ! The local water supply was broken with a major pump breaking don on Chrismas Day. Large area effected with no water supply. I tried running taps but...
    • GIGGLEBOX1
    • Thread
    • leak mains system water
    • Replies: 3
    • Forum: Bathroom Advice
  14. I

    Cold mains water hammer when taps are turn ON?

    The cold mains is in 22mm copper on a pipe run to to a bath and basin taps next to each other. The mains water is 4 bar static, no PRV or check valves. The bang happens seconds after the cold tap is turned on at either the cold bath or basin tap. There is a 0.5 litre potable water expansion...
  15. 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...
    • sammyluc
    • Thread
    • heating mains water
    • Replies: 8
    • Forum: Bathroom Advice
  16. 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...
  17. 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...
  18. 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?
  19. 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...
    • rhinatron
    • Thread
    • cold drain mains water
    • Replies: 5
    • Forum: Bathroom Advice
  20. 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?

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