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cold

  1. 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...
  2. K

    how can i get a hot water tap in garden building with only a cold feed

    hi. i am putting a loo in my garden office but only have a cold water feed. can i get hot water without using one of those triton wall mounted mini electric heaters? eg is there an electric mixer tap or something i could use instead. saw something on amazon that maybe looked ok? cheers
  3. F

    Combined vent and cold feed

    Hi guys Is it normal for the cold feed pipe from the f&e tank to be combined with the open vent? The cold feed connects to a 22mm tee one end is the vent the other cold feed to rads I thought the vent connects to ch flow and the feed to ch return? Thanks in advance
  4. V

    No cold water in bathroom.indirect water supply.

    Hi.. I would appreciate your advice. I am not get any cold water on the bathroom. Just dribbles in the bath and toilet..none at all on the wash basin. The supply is from the cold water tank. Thank you.
  5. J

    How to drain cold water tank!?!

    Help! I’ve turned off the gate valve that supplies my toilet white goods. Now it won’t open. It’s turning but water not flowing through. I need to drain the cold tank to replace the gate valve but the cold tank goes to a pump and I when I turn off the water, no cold water comes through the taps...
  6. A

    UFH mixing valve bypassing hot water directly to cold return

    I have a UFH manifold from Wundatrade with a Grundfos pump. The pump feed has a mixing valve which has a hot inlet from the thermal store, and a cold inlet from the return manifold. In-between the mixing valve cold inlet and the return manifold, is a tee which returns the cold water to the...
  7. S

    Window seal and gaps need filling too cold

    My house seems to be freezing and my double pvc glazing windows were installed over 20 years ago. The window seals have seen better days and there's gaps in between the window frames and window. Not really done anything like this before as I am not a plumber or carpenter. Does anyone which...
  8. E

    New column rad cold devastated

    New double panel column radiator Cold Turned off all rads not helped Checked trv pin seems fine Locksheild i think is ok see pic sttached Its new so didnt need to flush Cant really balance because the only thing that is hot is the copper pipes So instructions came with it about how it...
  9. A

    TMV valve under bath with 22mm hot water and 15mm cold water mains

    The bath taps have 22mm inlets currently the cold water mains 15mm is fixed to the tap by a copper adapter 15mm to 22mm. The hot water is 22mm gravity fed. Is it ok to add a 15mm T to the cold water pipe and then add 22ml adaptor to the T to connect to a 22m TMV . I cannot find any TMValves...
  10. R

    Cold Radiator - questions regarding valves

    Hi all, I'm hoping someone here can help. The radiators in my living room aren't heating as well as the radiator in bedroom, hall and bathroom in my flat. I've checked and both seem to be free from trapped air (tried to bleed and water came straight out). Now one radiator gets a lot warmer...
  11. Ian Howe

    Cold rad and manifolds

    Narrowed down a cold rad to this manifold, are they prone to blocking or is it more likely the microbore?
  12. V

    New house, 1 cold radiator, I've run out of ideas, help!

    Moved in to bungalow recently and 1 radiator is cold. All the others get really hot when turned on. Gas system boiler, header tank in loft. I tried balancing, turning off other radiators, increasing pump speed, but best I could get at high pump speed is a tiny bit of heat in radiator, barely...
  13. R

    [Please Help]Cold Water Tank Replacement Cost-Am I Being Ripped Off?

    Hello Everyone. I humbly come to post needing your advice on a rather urgent issue I have regarding my cold water tank in the loft. Basically, a few days ago I noticed a patch of yellow in my bedroom ceiling. I then went up in my loft to find that the water tank was leaking. I called a plumber...
  14. K

    Distance between Hot & Cold pipes?

    Hi all, I was just wondering when running hot and cold copper pipes side by side is there a minimum distance they should be apart according to regulations? Thanks P
  15. D

    Cold radiators!!!!!!

    Hi I turned my heating on few days ago for the first time this winter and bleed the radiators and it all worked fine. Turned it on again tonight and the boiler fires up but all the radiators are stone cold! Any advice on what it could be? The pump in the airing cupboard is pumping
  16. JoeBilton

    Cold radiators balancing

    Our upstairs radiators were getting much hotter much quicker than down stairs. To try and balance I altered some of the lock values on the upstairs rads (not fully closed though) this seemed to work and the downstairs rads were much hotter however one of the upstairs rads was now totally cold...
  17. P

    Problems with tap's cold water cartridge

    Hi, my 2-handle kitchen mixer tap started dripping cold water. I've got it apart and am waiting for a new cold water, ceramic disc, 1/4 turn, cartridge to be delivered. Meanwhile I can't completely turn off the isolating (or service) valve, whose screwdriver slot is now knackered. So, with tap...
  18. D

    Radiators hot upstairs and cold downstairs

    I've a pressurised CH system with a combination vented cylinder. I live in a two story house with 4 radiators upstairs and 4 downstairs. I recently had the CH pressurised and the cylinder also was replaced. The problems is that the radiators upstairs are getting nice hot but the ones downstairs...
  19. B

    Some rads cold at the top, and some at the bottom.

    Hi, We had all the rads replaced in the spring. They had this issue from day one but, tbh, I thought once they start getting used in the winter, things might sort themselves out. That hasn't happened. It's a weird situation where some rads heat up only at the top, and some only at the...
  20. J

    Radiators top half hot & bottom half cold/warm---to do power flush?

    Hi all, I had my new boiler and 13 radiators installed in July last year, but since installed all the radiators always top half hot and bottom half cold or warm. I know that if radiators top half hot bottom half cold/warm, it indicates there's sludge in the system. But as the radiators were all...

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