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valves

  1. C

    Location of pumps and valves

    Is there any reason why the pump and valves need to be located in the airing cupboard? We have Gravity HW and pumped CH, but the boiler has been condemned and needs replacement. 4 pipes come down to the boiler room, as do all the hard wiring from room stat and timer. The HW gravity pipes are...
  2. N

    Polypipe Underfloor Heating with 3x 2-Port Zone Valves???

    I am currently trying to find out which is the best way to wire up my underfloor heating. I have attached a PDF of what my system is currently like. I've been advised to install 3x 2-port zone valves so that when the UFH calls for heat it can do so independently of the radiators, which is...
    • Nis
    • Thread
    • heating underfloor underfloor heating valves
    • Replies: 4
    • Forum: UK Plumbers Forums
  3. J

    Thermostatic Rad Valves, odd size Tails

    Hi first post here😀 I want to replace a couple of rad valves with TRVs but as you can see from the pic, the existing tails are bigger than it usual. All the valves I can find have 1/2” bsp Threads both sides, but I either need TRVs with one side to match the tails, or a reduced for the rad. Any...
  4. C

    Flush valves for hidden cistern

    Hi. Wondering if anyone could help me. I've had my WC sitting like this for a year now. After having this fitted while I was at work I'd purchased a toilet with cistern and thought the flat flush Valve I'd ordered seperately would fit it but it never. So Ieft with the gap for a flat flush...
  5. Jimbob1973

    Replacing radiator and valves on open vented system.

    Hi, I have a hot water tank, 3 header tanks in the loft and so I am assuming I am on an open vented system. I wish to replace a bathroom radiator with a wider one so will need to extend the existing pipework. I also want to tile around the pipework by drilling the tiles (for a neat finish) and...
  6. L

    Leaking Basin Mono Mixer Tap & Valves

    My basin mono mixer (model No: ME00101) is 10 years old & leaks at the bottom base of the mixer stand & underneath the hand lever. Water is running down the LHS hose pipe as a drip. I closed the ball valve on the hose but water still leaks. (A) What is wrong with the mixer? (B) Is the mixer...
    • luca T
    • Thread
    • basin leaking mixer mixer tap valves
    • Replies: 3
    • Forum: UK Plumbers Forums
  7. Stigster

    What size are the connections on these valves?

    From a thread where I've been helping someone with radiator valve problems. Looking at the pictures of thes towel rail valves I'm not 100% certain what size the connections are. Pretty sure it's 15mm coming in to the valve but is the rad-side connection 1/2" with a fat nut or 3/4"? If anyone...
  8. P

    Replacement TRV RADIATOR VALVES

    Good evening I need to replace 5 TRV valves in my flat . I would like to replace with decent quality ones. Does anybody have any recommendations Which would be very much appreciated. I have attached a picture of current trv. Thank you in advance Peter
  9. B

    Single/Double/NRV Check Valves Query

    Good morning, I have a query about single check valves/double check valves/non return valves and their purpose. I moved into a flat built in the 1960s and I think the bathroom was last upgraded around 2007 perhaps even before. I am going to get it completely redone next week (new suite/...
  10. J

    Rads get warm when hot water is on, SYSTEM BOILER AND MOT VALVES ARE WORKING CORRECTLY

    After some ideas, I've got a house which is installed with a system boiler, when the hot water is turned on using the programmer the radiators also get warm, checking the pipework underneath the boiler, both the how water flow and central heating return are red hot! Any ideas how to rectify...
  11. Pipps

    Inserting washing machine valves into middle of copper pipe?

    Should it be possible to add a couple of washing machine style tee valves in the middle of these copper pipes? Forgive the basic question, but I am an inexperienced home owner. Thinking of giving it a try myself today. Would this risk reducing our tap water flow from the pipes continuing...
  12. J murton

    Issue with no water coming through inlet valves

    Hi all I’ve had an issue with the amount of water coming through two side inlet valves. There are 3 toilets in total. All are tank fed. 1 toilet bottom entry. 2 toilets are side entry. The tank is above and comes down through the ceiling into the toilet through a 22mm pipe. It then t’s...
  13. M

    Life expectancy of header tanks and ball valves, relocate or replace.

    I am going to move my central heating header tank and started to think about the life expectancy of various plumbing items. The tank is polypropylene and has a brass ball valve with plastic float. It’s 40 years old. With the issues of sustainability etc, it’s it likely that these items will...
  14. S

    Swapping handles Pegler Lever ball valves

    Quick question. I installed some Pegler lever ball valves (22mm, water) and because I was tired I messed up my red/blue hot/cold colour code. Rather than swap the valves over (which I can do) can I just swap the handles over?
  15. OffshoreGas

    Isolating valves and drain points

    More often than not when I go to do any work on a domestic system there’s no way of isolating what I want to work on so end up having the drain the system. To make things worse it’s surprisingly common there’s nowhere to drain the system. Do other people find this too and if so why do you think...
  16. D

    Constant flow automatic bypass valves

    My earlier post entitled Honeywell ABV setting raised several issues and a number of well-informed comments (thank you). One topic in particular seems worth pursuing on its own, hence the present post. Your comments will be appreciated. Widely-used domestic CH pumps such as the Grundfos UPS2...
  17. A

    Does my system need h-piece and lockshield valves?

    Hello 2 storey building 3 apartments per floor Waterborne heating system description: Each apartment has separate heating distribution manifold cabinet. Manifold based distribution system where each panel is served by its own circuit. STAD valve in the second floor manifold cabinet for the...
  18. A

    Leaking radiator after bleeding valves

    Hi everyone, I was wondering if someone could provide me some advice. Due to high boiler pressure, I bled some of my radiators. However, one of radiators is now leaking on both sides from a nut at the spindles? Could some explain to me why this happened and what I can do about it? I’m...
  19. townfanjon

    Double check valves ??

    Guys , I look after a large dentist and the waterboard have done assessment / check this afternoon and want some ECED valves fitting , I have never heard of them but pretty sure they are just double check valves, does anybody know if they are a specific type of valve or just the usual double...
  20. S

    Towel rail valves open or closed!

    Hi I’ve just fitted a towel rail. Should both valves be open to fill it? And stay open once filled and bleed? Thanks

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