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valve

  1. J

    2 way 2 zone valve question.

    Hi I have a honeywell programmer which does 10 min cycles but with the zone valve fitted it is closed during a 4.5 min long pump only cycle. Is there a way to stop this and only close when pump stops. It is open during heat and pump part but you can gradually loose a warm rad with it not...
  2. TxVet33

    toilet service dual valve question

    Can anyone tell me where I might find the toilet service valve in the URL? Thx. Toilet Water Sprayer - Free Shipping for New Users - Temu -...
    • TxVet33
    • Thread
    • service toilet valve
    • Replies: 0
    • Forum: Boilers
  3. W

    Problem with Isolator valve

    Hi, some advice would be great. I have an Instinct Eco-Mag fitted and it has started to leak from the port that the magnetic tube is removed from (common issue i believe). I have seen a video on here showing a temporary fix by adding some O-rings. Problem I have is that when the boiler was...
  4. Hashtag246

    Thermostatic valve replacement problems

    Got a porcelanosa shower mixer and i need to change the thermostatic valve. It shows that a special tool might be required to remove it. Can u advise? Thanks
  5. A

    Urgent: drayton motorised valve z5 issue

    Hi, i am replacing a 2 port z5 drayton valve with a 3 port mid position drayton. Can anyone please tell me what changes i have to make to the wiring. Another post suggested: 'you have to connect both white and grey wires to where the brown wire of the old head was connected' I have cocked up...
  6. S

    How to replace UFH return pin valve

    Hello, I have UFH set up with a HIU in my flat. My issue is that one zone (Bedroom 2) does not heat up. All other zones working and heating as expected. Have checked the relevant thermostat, as well as the electrical actuator for the specific zone. Both look ok Checked return pin valve -...
  7. A

    Please help. When Heating on no hot water and vice-versa with Drayton 27101 - 3 port motorised valve

    We have a Drayton 27101 - 3 port motorised valve 22mm compression Issue: when heating switches on there is no hot water, when you switch heating off you get hot water. I replaced the motor in the motorised valve, everything started to work like it should. But an hour later and the same...
  8. C

    Can't find UFH manifold vent/drain valve

    Hi all, I can't locate the vent/drain valve on this manifold. My manifold resembles the "UFH Manifold RUB-RT1tm4" model on this webpage: https://www.thermo-floor.co.uk/underfloor-heating-manifolds.html I an intending to replace on the the actuator pin-valves and I think I need to drain (or at...
  9. A

    Replacing motorised valve steps

    Hi Folks, Please advise as i wish to change a motorised valve connected to a heat only gas boiler: Turn off the boiler Turn off the mains water Find a draining point and drain system Replace motorised valve Make sure draining point is closed. Turn on mains...
  10. M

    3/8s toilet fill valve

    If a toilet has a flush valve with a 3/8s thread. Does this mean the hole on the cistern is smaller? I want to fit a 1/2 threaded one in it.
  11. papachumba

    Is this Radiator Valve Adjustable?

    Hi all, have a radiator in the hallway which has never worked. When I bled the radiators few days ago I checked the hallway one, and it appears to have pressure. The valve on the right of the radiator is fully open, now the valve on the left I am confused about. It is the type with a small...
  12. Bookalon

    hot water cylinder control valve

    Hi, I have an oil burner which is controlled via Tado to heat my home. My hot water cylinder is heated with water from the burner and also has a dumb immersion. I don’t use the immersion at all And would like to replace it. The burner heats the water in my hot water cylinder with a TRV valve...
  13. J

    Fluidmaster - Fill valve

    Had a issue with a Fluidmaster fill valve plastic 1/2" fitting. After being installed with a B&Q slimline toilet had to keep adjusting as when filling always slightly overflowed. Checking today to ensure no debris was the issue, their was none though right replace unit. However on closer...
  14. J

    Radiators releasing heat when valve shut off

    Hi all, Today I noticed when the boiler is on, those radiators in the rooms I don't want heating are releasing heat even when the Drayton TRV4 valves fitted onto each of them are turned off all the way to the star symbol. Does anyone know why this is happening? Could it be due to the extra...
  15. C

    Humming vibrating pipes near mains inlet valve

    Not on the hot but whenever a cold tap is ran in the bathrooms or toilet flushed the two cold water pipes reverberate round the house. The cold mains and the balanced cold. We changed the water inlet valve with PRV last week but the problem has come back quickly. Is the street pressure too...
  16. johnnybaloney

    Toilet flush valve seals - unusual sizing

    Hello, Recently I received an unusually large water bill which led me to the discovery of leaking flush valves. I have two toilets and it turned out in both the valve seals were bubbling so I set out to replace them. For now I just flipped them over as the other side was smooth on both. The...
  17. R

    Worcester Bosch 28cdi diverter valve

    Hi I am replacing suspect diverter valve on old Worcester Bosch 28cdi. There is a small black slotted screw there (see the photo). Could someone advise me what is it for, is it an adjustment? Thank you very much Rafal
  18. S

    Adding Thermostatic Mixing Valve

    I have NuHeat UFH system, and this has no Thermostatic Blending valve on the heating circuit. (Heat Master II cylinder has pick up coil) Nu-Heat System installed - This means I can't run store above 60C due to risk of overheating UFH pipes. I want to add a Thermostatic Mixing valve so have...
  19. daniel218

    Slow tap flow after new tap valve

    Recently had a repair done on a leaky tap they replaced the tap valve on my bathroom 1/4 turn taps, now the hot tap flow is slower What my problem please and what could I do to fix? They is no areiator on my taps
  20. User108

    How to remove this shower valve cartridge?

    My shower temperature control knob isn't working anymore - only produces hot water. I tried replacing the cartridge but I can't seem to remove the existing one. What's the best way to remove the cartridge I've attached pictures of? It's very very stiff.

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