valve

  1. J

    Towel rail size . How to get it right before buying

    Got plumber who set up towel rail pipe at 498C/C. How wide need to be my towel rail? Thanks
  2. JimDogweed

    Replace TRV with 8mm pipe

    I have a faulty TRV. When the pin is fully open, it's fine. But I notice it leaks when the pin is depressed and the TRV is off. I've tried giving it a tap, wiggle, and some WD40. I'm looking to replace the TRV and re-use the nut/olive - so I can swap the TRV over without having to cut any pipe...
  3. M

    Trivial tee valve

    I think I'm missing the trick here. I want to convert this into an outlet that I can connect a hose to as well as the toilet cistern. I'm sure I need a tee valve but they all seem to be either 2 compression ends 1 screw on with a single lever. I want to be able to turn the hose off as well and...
  4. P

    Reason for usual HW shutoff valve location

    In a conventional system, the standard arrangement is to have a gate valve on the (typically 28mm) cold feed pipe from cistern to cylinder. Out of curiosity, I was wondering why you won't find it on the hw pipe (typically 22mm) going out of the cylinder instead. Of course, positioned after the...
  5. C

    Locating underground irrigation valves

    Anyone got any ideas how to locate buried 2way solenoid valves (hunter)?! I have bought a house with an irrigation system. The operate via a 2 way solenoid valve. they were a bit hit and miss in operation. I have got some working by replacing valves, cleaning valves or just bleeding them. I...
  6. A

    Turned wrong tap accidentally when repressurising boiler

    Hi all Unfamiliar boiler and was told over the phone how to top up the pressure, however the boiler in question is a Vokera Compact HE and the taps/valves underneath the boiler are arranged as follows: Yellow (Left), Black screw valve marked 'Vokera Adjustable Stopcock' (Right). Following...
  7. S

    Viessmann Central Heating Wiring

    Hi Folks, Looking for a bit of help here. We moved into our current house in 2018 and have always had a bit of an issue with the heating. The boiler is a Viessmann 200-W WB2B system boiler, and the central heating is split into the zones, each controlled by a thermostat. The boiler is plumbed...
  8. Gwreay

    Drayton ZA5 zone valve actuator not working

    Afternoon, First post on here but you all seem like a really helpful bunch, hoping to find the problem with my valve. When called for heating there is no movement in the motor, we put in a new one just incase and still nothing. I've measured the voltage across the points powering the motor...
  9. J

    Chasing radiator pipe into wall - How do I correct set up the distance

    I`m on the process to chase some wall to hide radiator pipe. taking as sample a 600x1200mm radiator and I believe setting it out at 150mm height from floor. How far the pipe will be from the radiator considering valve width ect etc? is there any standard measure for it? Many Thanks
  10. Dan watts

    Tap confusion

    Hi, We bought these for our new bath: https://www.victorianplumbing.co.uk/cruze-deck-bath-side-valves-with-freeflow-bath-filler Note: there are two taps, only one pictured. Connections are 3/4. I have done all the plumbing in PEX so I intend to adapt into 3/4 to go into the taps, but I just...
  11. G

    what is this please ? is it a valve ?

    Hi, I came across this, looks like a valve, but doesnt have a slot for a screwdriver.
  12. A

    Thermostatic valve-opening circular screw in enclosed space

    hi, trying to unscrew the circular screw using a long wrench -see pic. but due to enclosed space theres no room to move the wrench ,is there are an alternative tool i can use ? any links to scrwfix etc appreciated. thanks Al.
  13. A

    Alltech rad valve -cannot remove plastic end cover !

    Apolgies for a basic question. but the plastic end cover on the valve -by Alltech will not come off. i seen similar caps that just lift off but ive tried everything pulling ,twisting,it just wont move. any ideas? thanks Al.
  14. B

    Bathroom Radiator Towel Rail too hot?

    We have a Bathroom Radiator Towel Rail that gets scalding hot, but cannot see the best way to turn it down? There are two twisty knobs either side at the bottom, and worked out that the left hand one, (clockwise) seems to turn off the water going to the radiator, as the noise stops, but even...
  15. Scorpion101

    Boiler and Pump continue running when no demand

    Hi all. I recently had a new boiler (glowworm energy 30c) fitted along with a nest thermostat. Everything seemed to work fine. I had a small incident early on whereby the CH stopped working. After a bit of investigation it turned out to be the motor had stopped working within the actuator on...
  16. J

    Perplexing plumbing puzzle - please pacify problem!

    I moved into a new build around 18 months ago, and I consider myself a competent DIYer. Before I ask the builder to come and look at my plumbing I wanted to get some opinion on an odd issue we've been having. Our showers don't get hot (we've got two of them). It was most noticeable (probably...
  17. janieJones123

    Changing radiator valves in pressurised system

    Hi all. I am wanting to swap out some old radiator valves for some new TRV ones. I currently have the radiator off the wall, and the current valves closed off. I just want to run through the steps that I need to take in order to be able to remove the old valves, put on the new ones, and hook...
  18. P

    Arranging and venting a waste pipe branch

    I recently got ground floor piping extended to have drain (40mm leading to the stack as in the figure), hot and cold in a first floor room. Only the pipes are there, but I'd like to install a sink and a washing machine as from the (quite schematic) diagram. Note that the washing machine will...
  19. D

    40mm void at rear of sink base unit - seriously? WTF!

    I've been looking online at a new sink base unit that's listed as having a 40mm void to it's rear? Is it 40mm, or is it actually larger in order to accommodate the compression connections etc? My existing sink waste pipe is slightly over 40mm anyway, with the various connectors being...
  20. BillyWillySilly

    Leaky Imperial Radiator Valves

    Hi there, I live in a mid-80’s house full of lovely imperial radiators. I noticed wet carpet in one of the rooms and found there to be a leaky radiator valve. Long story short I managed to isolate both the shut off valve and the lock shield. However, when shutting off the lock shield there was a...
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