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valves

  1. P

    What are the regs on commercial kitchen gas solenoid valves

    Been asked to wire up gas valve in pub kitchen and all the gas fitter has left is a stop button, when I wired many of these for a catering firm years ago there was a control box witha current sensor that worked with the fan. What are the current requirements? Is there a minimum height betwwen a...
  2. M

    Low voltage gas valves

    I have noticed ideal have changed then gas valves to run on 24volts. Over 230volts. Is this to make the boiler more economical to run
  3. N

    Installing New Mixer Tap & Valves

    Hi, I'm installing a new mixer tap in my kitchen. The current setup doesn't have any isolation valves so was thinking I'd cut the pipe, install a couple of flat faced isolation valves and then screw the flexi's into that. My question is, should I be using PTFE on the threads, joining compound on...
  4. S

    Iso valves leaking

    I wanted to do some work on my ensuite shower but no way to isolate it. I removed a bit of platerboard from the wall in room behond it to expose the pipes (gery plastic Hepworth 15mm) and got a plumber out to fit a couple of isolation valves. Both valves are leaking very slowly, just a drip over...
  5. 1980sSnowboarderGuy

    Manual radiator valves help

    I’m in the uk and have a bathroom radiator with two manual valves, both of which leak slightly. i know that to turn my radiator off I need to turn clockwise, but for optimal setting, how far back should I turn them, e.g. 1/4 turn? and should I turn both the left and right valves, or just one...
  6. M

    Hi flow radiator valves for 1 pipe systems

    Hi Can anyone recommend a decent locksheild valve to pair with the Danfoss RA-G TRV? The RA-g is high flow but I can find a matching locksheild to suit on their site. Cheers
  7. B

    2 port valves or 3 ports valve ??

    Hi guys Is it better to have two 2 port valves or one 3 port valve to control the flow to either dhw or underfloor heating ? Cheers
  8. B

    How can I fix a banging noise in CH system- 14 years new drayton and sunvic valves -sealed system?

    This started last night at 11.25 and has me completely flummoxed. A banging noise that is hard to track down. When I'm in Bathrooom that has airing cupboard it seems to come from hallway when in hallway it seems for come from cupboard. The system is a grant boiler in an outside house, purpose...
  9. M

    Will these isolation valves be ok like this for a few weeks?

    I’ve removed the sink from downstairs cloakroom as we are getting new flooring and a new vanity unit and sink installed over the next few weeks. I’m now thinking maybe these isolation valves may not be ok left like this?? If they were going to leak it fail in some way surely they would have by now??
  10. townfanjon

    UFH auto balance valves

    Guys , customer is having problems with his ufh , not heating enough ,cooling down etc etc,he wants me to fit some auto balencing actuators / valves , I have no experience of them at all, and honestly cant see the point of just trying them for the sake of it . System is in screed and is approx...
  11. D

    looking for behind the wall shower valves with only the tap being exposed in shower

    Are there any dual lever shower taps/regulators, which I can install behind my shower wall ... the distance i need to bridge is 12 cm... ?
  12. S

    Epic soldering failure on shower rough in valve, are inline shutoff valves the problem?

    Howdy I need to install a new rough in valve in my shower-bath. I bought a Delta 10000 UNBX and using the existing 1/2" copper piping was able to fit up the 2 inlets and pipe to the shower head and another to the tub, all 1/2 copper. The bathroom is on the ground level. In the basement right...
  13. A

    Half closing isolation valves ok?

    Hi all, Just a quick check - is there any issue with half closing isolation valves to reduce flow? Eg to things like cisterns, basin taps etc. I've seen many posts saying it's totally fine and good way to reduce flow to stop splashback etc and others suggesting it can cause failure over time...
  14. M

    One pipe system special rad valves

    Are rad valves used on a one pipe system usually specialist less flow restrictive to normal valves? Possibly have a bathroom rad to swap for a towel rad. On one. Also can a modern towel rad. Be too flow restrictive for a one pipe system?
  15. R

    4 siemens 3 port valves burnt out in a year.

    Changed a clients burnt out 3 port siemens DVA3 heating valve head like for like this time last year. Just put it down to normal wear. Then it burnt out in April. I thought unlucky, siemens not great but ok and changed it. Told client to make sure not to cover it etc as I know they can get hot...
  16. G

    What are these valves called and can I replace with gate valves?

    Hello all, this set up in the attached image was what we inherited when moving in. The balancing valve on the 15 mm bypass and the isolator on the 22mm pipe emerging from the bottom of the cylinder heating coil are both dribbling in the circular recess where the square head sits. My intention is...
  17. kieran

    Change 4 zone heating system to smart thermostatic radiator valves instead?

    I've just moved into a house for the first time where I don't just have a single heating zone. This house has a central timer unit and 4 room thermostats that control 4 Honeywell V4043H1056 valves beside an currently unidentified Johnson Starley combi boiler (although there is also a hot water...
    • kieran
    • Thread
    • heating heating system radiator system thermostatic valves
    • Replies: 11
    • Forum: UK Plumbers Forums
  18. A

    Under Floor Heating - one of the valves sticking?

    Hi - I'm not sure what these things in the picture are called, but water flows to each room when the "float" moves down, but one is stuck. Last year a heating engineer came and unstuck the valve by tapping on it with his screwdriver head. I've tried that, but no luck - three of the floats move...
  19. L

    Any ideas on how to bleed these valves?

    Hi all, my towel rail is only half heating up and I'm guessing it needs bleeding, thing is it hasn't got your usual bleed valves installed, so how do I go about bleeding this rail? Hmm it won't let me add pics??. Basically its a flat head screwdriver kind of valve head, I've tried searching on...
  20. J

    Two channel ball valves??

    This may be a silly question, but limitless googling has got me nowhere. Is is possible to source a Y/T valve with two separate channels (so four inputs, two outputs, where say in position 1 the first input connects to the first output and the second input connects to the second output, then in...

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