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valves

  1. Ricardo Napoli

    New builds zone valves on combi

    Hi everyone, if anybody is out there that can give a little help would be great. I’m going from domestic plumbing into house bashing end of the month now I’ve been told the heating on new builds is zoned off even on combi boilers. Could anybody just shine some light on how to pipe this system...
  2. P

    Advice on Air Admittance Valves please

    Hi I have a client who has three WC's served by one long waste pipe feeding into a soil pipe. When the WC on the far left is flushed it causes either one or both of the other WC 's to overflow. I think it must be because an Air Admittance Valve has not been fitted? Would you agree? If so what...
  3. N

    Thermostatic Rad Valves not working correctly

    Hi we have recently had a new Ideal Logic+ boiler installed the plumber has put thermostatic radiator valves in all of the rooms apart from where the thermostat is. The system is fed by micro-bore downstairs and half inch upstairs. The rooms with 2 radiators is where the problem is one radiator...
  4. S

    Check valves and mixer taps

    I noticed that the mixer tap was making the sound of running water when the main valve was open but the tap and the spray attachment was closed. I theorised that cold water was running into the hot pipe, as it is much higher pressure. I went online and concluded that the solution was a check...
  5. CorgiDirect

    Excellent Prices on CORGI Controls & Valves. Synchron Motor Only £7.08 ex vat

    Excellent Prices on CORGI Controls & Valves. CORGI SYNCHRON MOTOR only £7.08 ex vat CORGI 22MM AUTOMATIC BYPASS VALVE Only £9.92 ex vat. View Range Here
  6. TonyQJ

    Connect old rad valves to new rad

    Hi Guys. Sorry for such a long first post. We have a 24 year old 10mm microbore ch system and on the advice of a plumber I’m going to change the rads a room at a time, as and when we decorate, to slowly achieve a more efficient system. I’m aware that modern metric rads will require an extender...
  7. R

    Rad Valves - can you swap the TRV?

    Hi guys, My first post so be gentle! I want to get this rad and the TRV will be sticking out as per this picture: I'll be replacing this with my own TRV which will mean the whole thing sticks out 12-13cm from the wall (far too much). My question is - can I swap the valve connections around...
  8. A

    8mm microbore, twin entry radiator valves and ancient radiators

    Friends, romans, countrymen Spartacus.... few things going on here. as per the title i have a central heating system running through 8mm microbore copper piping to old cast radiators using the completely redundant twin / dual entry radiator valves. not ideal i know. on the positive side the...
  9. F

    Ceramic monobloc mixer tap valves/cartridges

    I know it is not normal practice to use a replacement HOT water ceramic valve/cartridge in COLD water monobloc mixer tap. However, I have been told by my supplier that they are awaiting stock of the cold water valves/cartridges and apparently they come from China and could be some weeks before...
  10. C

    UFH problem: flow valves not rising and falling

    Hi all, I have an issue with my UFH that I hope you can help with. We have UFH but have never been 100% sure that it works as it should: the lounge/kitchen (one room) has been fine, but the bedrooms have always been a bit chilly. I've put this down to them being carpeted and it taking longer...
  11. Pickwickpick

    Flow regulator ball valves

    I got given a bag of unused CP961 flow regulator ball valves (same as in the pic) years ago by my mum (she found them in rental she was clearing out between tenants), they ended up at the bottom of a box and promptly forgot about them til I was having a tidy up earlier today. I've tried opening...
  12. L

    2 port valves __________

    Are 2 port valves necessary on the flow of heating if a underfloor heating manifold is used such as this one in the picture? As far as i was aware the manifold acted as a valve. Thanks
  13. CorgiDirect

    Introducing CORGI Controls and Valves

    VIEW FULL RANGE
  14. S

    Low loss headers and zone valves

    Evening all, Can I ask you good folk, if low loss headers require a zone valve after the pump for each zone? My zones are ufh, towel rails and hot water. Thanks in advance
  15. J

    Commercial Toilets/ Flush Valves/ Pressurized Flush Device

    In the states we call them "Flushometers". I don't know if you have them over there. A big manufacturer in Germany has a similar product (Schell) and I'm thinking it might be a great mating to an Aquablade closet to possibly avoid skids and blockages (yes I know requires larger piping)...
  16. K

    NEW WATTS Aquamix Thermostatic mixing valves 62c 1" & 61c 3/4"

    New Watts Thermostatic mixing valves 6211c1 1" & 6110c34 3/4" 15 in total 6-62c and 9-61c available, £30 for one or offers welcome for all 15, can post via hermes tracked, Any viewing welcome.
  17. A

    Broken TRV RAD Valves

    Hi, Just after a little advice related to some TRV's. Basically my partner lives with me and rents her property out, tennents in her house have in the space of about 7 months managed to break 2 TRV's (snap the heads off) and are saying that they should not be paying for them as "They dont last...
  18. Savva

    Need an extra pair of hands to replace 8 rads & valves. Clapham. £120/day

    Hi all I'm looking for someone to join me on a job next week for 2 days- I can be flexible as to which days. The job is to swap over a conventional boiler for a system and replace all 8 radiators. Your role will be to get all the rads done and to generally lend a helping hand. Please only...
  19. J

    Full bore lever valves, 15 & 22mm - what do you pay?

    Morning, What do you pay for full bore lever valves, 15 & 22mm? Personally I've found Williams to be the best price at £3.20 & £4.45. Cheers in advance
  20. B

    Two Pressure Valves, Which to Believe?

    Hi, I have two pressure valves on my central heating system. One is built into the boiler and the other is separate, located less than a meter away. Both go up and down with the heating, but both show different values and are out by about 0.5 bar. The one built into the boiler is always...

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