1. 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 ?
  2. T

    Distance between cold pipe cross over hot

    Hello I need to cross over an existing copper hot water pipe with a cold 15mm mains copper pipe. Is there a standard I need to adhere to in terms of clearance?
  3. M

    Pipes going to UFH cold

    bit of an odd one. UFH been working fine for about a year or two now. today the pipes going to it before the zone valve are stone cold. its a very basic system with Hive thermostatic valves controlling the rads upstairs and the zone valve downstairs. Could the pipe be blocked?
  4. markmanningnz

    Hot water cold after weekend away

    Hi all, new to this forum and looking for a bit of advice please. Have been noticing recently some odd behaviour with our hot water system. If we go away for the weekend, leave Friday afternoon and back Sunday night, the hotwater is lukewarm at best up our return Sunday evening. I then need...
  5. S

    Shower valve issue. Hot and cold mixed up.

    Hi all. My hot water feed for my shower is on the left and the cold is on the right. My understanding is that this is correct and this is also stated in the instruction manual for my valve. However when I turn the mixer clockwise cold water is coming out the shower instead of hot water. When...
  6. I

    Thermal Store Heating Up Cold Feed Pipe

    Hello, I have just installed a vented McDonald 250L thermal store, it is for multi fuel but currently just connected to a standard oil boiler in the garage which is fully pumped to the TS, the system has two pumps both basic 3speed Grunfoss, one on the boiler return and the other on the CH flow...
  7. 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...
  8. Zach054

    Balanced Cold. Electric Shower.

    Good Afternoon. Just wondering if it would be fine to connect an electric shower to the balanced cold supply from an unvented cylinder. Replacing an old Bath mixer tap with the shower hose built into it. Regards
  9. C

    Bar Shower hot on right cold on left

    Hi everyone, I am looking to see if anyone has purchased a bar shower where the hot is incoming from the right and cold coming from the left, really struggling to find a bar shower and riser kit to accommodate this, any advice be much appreciated thanks
  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. M

    Bosch washing machine cold fill

    My new Bosch cold fills in 5 goes each time at the start, some short and some long. Is his normal? Any ideas on a sort of 'normal' time to fill?
  12. @

    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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. M

    Heat pump unvented install balanced cold

    If changing a combi boiler system to a heat pump. What do they usually do with the balanced cold connection on the hot water cylinder? Cap it. And put a pressure reducer on the mains so they have equal hot and cold pressures? I can't see them repiping a balanced cold from the cylinder to each...
  18. 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...
  19. M

    15/22mm cold feed to boiler

    I'm in a house with the cold feed coming up in the kitchen. In 25mm mdpe. The boiler is in the garage adjacent. I plan on running the cold from the sink in the kitchen under the kitchen units to the garage to feed to boiler. And the 15mm coming back from the boiler to the sink. Would there be...
  20. 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...

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