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valves

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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
  6. 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
  7. 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)...
  8. 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...
  9. 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...
  10. 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
  11. 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...
  12. A

    Daft question - lining up towel rail valves?

    Hi folks, Installing a new towel rail and it has two valves at the bottom that screw up into the towel rail with 90 degree valve taps on them, when I ptfe and tighten them it all works fine, they just reach fully tightened position at wonky directions. How can I ensure they tighten at nice 90...
  13. R

    Complete newbie, valves.

    Hi all, completely new here and to plumbing. I moved out had a washing machine delivery today including installation, but the guy said that the valve under my sink was missing a handle and that I should get it replaced before getting the washing machine installed. He also mentioned that i needed...
  14. Scott_D

    Honeywell 2 port valves ££

    Anyone got an up coming job and need any? Got a few new in boxes to sell or swap Any interest before they go on ebay?
  15. N

    Best quality manifold and valves

    I need to replace two 17 year old 9 port underfloor manifolds and valves, can anyone recommend the best quality make ? Not too concerned about the price, I want good quality-Thanks, Nick
  16. W

    Anyone ever change works of gate valves?

    If so, how often do you find your replacement is compatible with the original? Are there different brands that vary enough that having one of a each/a few raises chances of success a lot? If so which ones? Cheers
  17. J

    Direction arrow on isolation valves.

    Hi. Can someone explain in detail which direction the arrow should face. In our house we have taps/toilets with arrows facing towards the appliance and some the opposite direction. I thought it has to face the direction of flow. Is that correct? If do, does that mean if placing an isolation...
  18. GrumpyGrampa

    Isolating valves - why the big difference in price?

    I'm not a plumber. I know the answer may well be "quality" but can you professionals explain why? I attach links to two 15 mm isolating valves from Screwfix. I've used ones from the 10 pack often enough but they occasionally "weep" when turned on/off. The pack of 10 costs £9.79 and a pack of...
  19. K

    Since GSH been installed I’ve had 4 leeks. Boiler moved, valves put in the wrong way.

    please can someone help me a little. I am a council tennant and was placed on a scheme that involves getting GSH installed, first of all the contract manager came in and we agreed that the boiler be put in the kitchen however on the day if install the put the boiler in my sons room, later that...
  20. T

    Gate Valves turning - or are they balls?

    hi, Well that’s the new pump and gate valves in. These are the valves Pegler Pump Valves 22mm x 1½ Should they just be turned 90 deg? Or open them until they stop? Many thanks!

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