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cold

  1. B

    What is this valve on cold feed

    Hi everyone, can you tell me what this valve is on the mains cold water feed and is it necessary to have thank you.
  2. D

    Can I get a reverse hot / cold shower mixer bar?

    Hi, just wondering if anyone knows where I could source a thermostatic shower mixer bar that accepts hot and cold supplies the opposite way around i.e. I’m looking for a mixer where the hot water supply comes in from the right hand side instead of the left. This is to provide a workaround to the...
  3. R

    Need advice on electric showers and cold water tanks

    Hi, i need advice on electric showers and cold water tanks. I have a cold water tank in my loft which feeds an electric shower in the bathroom below. Can I remove the tank and feed the shower from the cold water feed that fills the tank?
  4. K123456

    How far can slab cold water inlet be from shower tap - 1200mm?

    The hole in the slab for cold water shower tap inlet is 1200mm away from where it needs to be. Is this a problem? The bathroom is on the second storey (concrete slab) and it looks like the builders may have put the plumbing for the shower inlet about 1200mm away from where it needs to be. Is...
  5. J

    Grohe Shower runs cold from very high temp start

    Hi, Grohe shower Grotherm 1000 smart starts very high temp, then runs cold (28C) in 2 mins Changed thermostatic cartridge for a new one Exactly the same problem? Inlet temp 54 C Inlet pressure Hot 3.5 Bar Inlet pressure Cold 3.5 Bar Any advice appreciated Jason
  6. mjtefc

    10mm not 15mm cold water to fridge

    Divy here thought his cold water feed was 15mm.. so bought a 15mm - 1/4" reducing tee to plumb a fridge. It's 10mm!! I've already cut it so stuck a stop end on. What options do I have as I can't find a 10mm - 1/4" reducing tee... Do I get some 15mm pipe and use 15mm - 10mm reducers ?
  7. S

    If i remove a radiator in the living room will there be a cold spot?

    Hi, We currently have 3 old radiators in our living room, the room feels cold in winter and radiators take ages to get warm, system has been power flushed and new pump fitted, so want to replace the radiators. The room is 5.7 x 4.9m x 2.5m but heat vents upstairs to a landing with no radiator...
  8. R

    Cold water tank inlet problem

    Help. This is the second time the fibre washer on the ball valve inlet has split and flooded the house. It's a recent tank. First time tit happened I assumed the valve was defective and replaced it. But obviously not. I think the tank just has to much flex. The (plastic) backing plate seems...
    • Rob Beattie
    • Thread
    • cold tank water water tank
    • Replies: 1
    • Forum: DIY Plumbing Advice
  9. J

    Why hot water copper pipe is 22mm and cold is 15mm?

    Hi All, I have this silly question. Water pressure for hot water is a bit low while cold water has a decent pressure. Why do they put 22mm copper pipes for hot water? It seems detrimental for already low pressure. Best regards
  10. N

    Lost cold water in kitchen

    Hi guys installed a outside garden tap seemed to go well until I went back to the kitchen only to find I have no cold water now the hot water works fine and upstairs is normal hot and cold except for kitchen I'm baffled what's going on please help Thanks
  11. F

    insulating elevated loft cold water tanks

    I have three cold water tanks (2*cw + ch header) on a platform roughly 1M above the loft floor, I have not encountered this arrangement before and wondering how best to insulate it. Normally in previous houses with the tank direct on the ceiling joists I have left the ceiling un-insulated under...
  12. E

    Shower off combi running hot and cold

    I have a combi Halstead HE 30 in my loft, the past few days the gravity fed power shower runs between hot and cold The sink hot water taps are ok as far as I can tell, I have mixer taps. I look at the boiler code as the sink taps run, it stays on H, but when I use the shower, it switches...
  13. M

    Mass of gunge in cold water storage cistern.

    Hi all. Hope you are enjoying the sunshine and hope no one is working in lofts at mo. Anyone seen this gunk before in a cold water storage cistern?
  14. Wamus_202

    Which Gate Valve will turn off cold water to the taps?

    I think we have an indirect hot water cylinder, we are trying to replace a sink. However there are no isolation valves on the in-between the taps and the piping. Is there a way to turn off the cold water flow to the taps, without turning off the main water supply incoming to house ? I have...
  15. A

    Can u bung cold tank 2 create a vacuum on single pipe heating system

    Need to adjust some pipework for new radiator but both the branches for old radiator came off the same pipe. Will this create a vacuum for me to move the tees further apart then rejoin up?
  16. V

    No pressure when hot water tap cold

    Hi all Wonder if anyone can help Recently my hot water taps throughout the whole house lose pressure and doesn’t run if the water has gone cold. Once the boiler is on and heated up I have pressure and hot water again. This doesn’t affect my cold water tap Any ideas what could be causing this...
    • Viscount999
    • Thread
    • cold hot water pressure water
    • Replies: 1
    • Forum: Bathroom Advice
  17. Bettyboo

    Help! Bristan shower cartridge , cant turn off cold water from shower

    Can anyone help please ? I am in the middle of trying to clean/ service a Bristan shower cartridge for this shower Recessed concealed shower 1901 Concealed Concentric Shower Valve | Bristan - https://www.bristan.com/products/mixer-showers?code=n2%20cshcvo%20c It had started to drip after...
  18. N

    Low cold water pressure only in bathroom

    Hi, I’m new to the forum and would really appreciate some advice on this problem I have with my bathroom cold water pressure. We recently moved to this one bedroom flat and our hot water comes from a communal boiler in the basement. In the kitchen the water pressure is good for both hot and...
    • Newbee001
    • Thread
    • bathroom cold pressure water
    • Replies: 1
    • Forum: UK Plumbers Forums
  19. F

    Shower replace cartridge cold hot does not work

    Moen Posi Temp1222A cartridge replacement. I replaced my old cartridge with a new one. I one with the handle goes from cold to hot. Now it goes from warm to hot. I reversed the cartridge and get warm to cold. I don’r what else to do so it can get cold to hot again. I tried at least 2 brand new...
  20. P

    how do I fix the cold water faucet that is barely running?

    My upstairs cold water faucet just barely streams out.. The cold and the hot in the shower are fine but not the cold water of the sink. Is there anything I can do myself without calling for a costly pllumber?

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