cold water

  1. A

    Cold water issues in the top bathroom

    Hi, I was hoping to get some advice. I live in a three floor house with a gravity fed cold water system for all of the bathrooms. The tank is in the loft. Due to a flush being stuck down, we managed to empty the whole tank! I got it filled up again and, using some suction got the cold taps...
  2. N

    Is it possible to not have a b allcock in a cold water header tank?

    For reasons that I won't go into. Is it possible to control the water flow to a cold water header tank without having a ballcock in the header tank? ie to place some sort of control elsewhere in the feed pipe before the water gets to the header tank - turning off the mains water supply would...
  3. T

    Delaying the fill on a loft cold water tank - electric and mixer showers running at once

    Hello, and thanks for taking the time to read. I'm trying to work out if the idea I have is practical? The water pressure in my newly renovated house (4 bathrooms is tragic). Current set up is: A hot/cold mixer in the main ensuite which is ok as long as you don't run anything else. One electric...
  4. L

    Mains supply to mixer tap is pushing cold water to hot water pipe

    I live in an apartment block where generally hot water is supplied from the communal hot water cylinder and cold water to bathrooms is supplied from cold water tanks in the loft. It is a vented system. However, in a basement flat and a ground floor flat cold water supply to bathrooms is...
  5. M

    Cold water from downstairs tap, but no hot water

    Hi, I woke up this morning with cold water (mains) from downstairs tap but no hot water from downstairs tap, and no water at all from all the upstairs taps, I have a combi boiler and no water storage
  6. L

    How to turn this cap off on cold water pipe

    Morning. I have a leak. It’s coming from the connector pipe….the picture shows the pipe. It is a cold water pipe going in to the back of my dishwasher. I assume the washer may need a replacement. Anyway I cannot for the life of me turn the water off I.e at this cap. I understand I should turn...
  7. S

    Mira Combiflow random cold water

    I’m after some advice. I’ve inherited my parents house. In the process of doing it up. My dad got a Mira combiflow installed about 15 years ago. Over the last couple of months every so often when it’s turned on the water runs ice cold even if I turn the handle to hottest temp. All other taps...
  8. Jimmu0161

    Cold water at the hot tap

    Got intermittent hot water coming the from a combi boiler to kitchen mixer tap when it hits the T junction for the upstairs bath it's hot, but on the other of the T junction to the kitchen mixer tap it's stone cold, anyone any ideas ?
  9. E

    Aqualisa Quartz 9.5kw Electric Shower - Only getting cold water?

    Hello All, New to the forum so apologies if do any faux pas. But I have an Aqalisa Electric Quartz Shower 9.5kw (8 years old) and currently it is only giving out cold water regardless of where the temperature control is placed, the only difference is the more you move to the dial to the cold...
  10. @

    Cold water supply to a bathroom washbasin in a modern flat?

    I refer to modern purpose-built flats - built within the last 35 years, say. How common is it, in this type of accommodation, for the cold water supply to a bathroom washbasin to come indirectly through a cold water storage tank? Or is it far more common for the cold water supply to come...
  11. @

    The cold water supply to kitchen sinks and bathroom washbasins

    For residential housing, what are the current regulations and/or recommended/standard practices regarding the supply of cold water to the taps on kitchen sinks and bathroom washbasins? Must the supply come directly from the mains or can it come from the cold water storage tank? Or is the...
  12. G

    Boiler firing when the cold water is turned on

    Hi all, Hope you’re all doing well. I had a new bathroom installed recently which involved new piping, and also capping off some redundant pipes. Since then, my boiler (pretty new Vaillant combi) turns on when I turn the cold water on. I’ve done some reading and it seems like the problem is...
  13. R

    Unvented cylinder no cold water to multiple outlets

    Hi, I’m having issues with cold water to multiple outlets. Taps, showers, toilets cold water is fine at the kitchen sink. The hot water system is a Glenhill unvented cylinder. Hot water is fine at all outlets. I assumed the cold outlets not working were from the balanced cold from the...
  14. R

    Tankless - Cold Water Hamer Sound with Cold Line Spring Check Valve

    I just had installed a Navien NPE-2 with built in recirculator pump. I have a dedicated return line. The check valve for the recirc is built into the unit; a spring check valve was placed on the cold line (per the manual) after which there is an expansion tank (on the cold line) in a T junction...
  15. Mandarin

    Low cold water pressure in only one part of the house :(

    This is doing my head in, so I am turning to the experts here for any wisdom... In the last couple of days I have very low cold water pressure in my downstairs utility room and downstairs bathroom (they back on to each other). The main cold feed (kitchen tap) is normal pressure. And all the...
  16. B

    Cold water feed pipe leak

    Hi everyone, Recently all the water tanks in the attic were disconnected to connect to the mains water supply (mine was already on mains but the other 5 flats in the building needed to be connected to mains water) and the company were also going to fit PRV's and isolation valves to the pipework...
  17. chloeradhsaw

    Baffled By Cylinder Hot Water Draw Whilst Cold Water On

    I had my indirect hot water cylinder removed a few days ago and the central heating boiler and pump is turned off at the fuse spur right next to the boiler. I have been without hot water for a few days which is fine - The plumber left the flow / return to the cylinder uncapped as well as the...
  18. B

    Removal of cold water tank for bathroom taps?

    I live in an apartment and have a cold water tank in it. The cold water tank feeds the cold water tap in the sink and the bath. Recently, I refurbished my bathroom and, according to the plumber that fitted the new taps, high-pressure taps were fitted. Consequently, the water that comes out of...
  19. dingledow

    Cap off cold water running to shower via loft space?

    I’m doing a bathroom refit, and there’s some strange pipework design that I’d like some advice on, please. I want to remove the cold water pipe running through the loft space because I would rather avoid having a cold water pipe buried under the loft roll insulation. Instead, I’d like to reuse...
  20. J

    Glow worm boiler running cold water

    Hi all We have a Glow Worm combi Ultracom 38cxi boiler fitted in our house, which has been running really well for the past 10 years. Recently we have had an issue with the shower and water taps suddenly running cold water when we have the taps set to hot, the water will keep going hot and cold...

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