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valve

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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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
  6. 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...
  7. 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
  8. 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.
  9. D

    Thermostatic radiator valve lets water through at 0

    Hi everyone. Apologies - I'm new, but I promise to try and be an active member of the forum :) We're doing some decorating just now and it was suggested that we take off the radiators to make it easier for the plasterer. We decided to have a go ourselves rather than getting someone in for...
  10. samwardill

    Use of microswitch on Honeywell 2-port valve for auxilliary pump

    My boiler struggled to circulate throughout my house so my heating engineer installed an auxilliary pump a few years ago. On a recent service he identified that the auxilliary pump was not working. He said that it was down to the motorised valve and he wants to charge £350 to replace it. He said...
  11. planetf1

    replacing washer on toilet inlet valve

    I have an inlet valve that is allowing some water in even when the float is raised. I wanted to check the washer - presumably diaphragm, but after taking off the cap, I'm unsure how to dismantle the valve. Any tips? The inlet came with a NUCA C211 valve. The other option is to remove/replace...
  12. T

    Need parts for a Termobac valve

    Hi, an American here with a bum termobac valve plumbed in a safety gravity loop for a vented wood boiler. The valve can be opened and repaired. Can you point me to a dealer who stocks parts for a 2012ish 32mm female thread version? Thanks and regards. Todd
  13. L

    How to close gas valve

    I found this main gas shutoff valve (or regulator) when traveling in colombia - any idea what make and model, or how to shut it off? I just curious, in case of emergency
  14. L

    Hot water pipe 'inline air release valve' - Question

    Hi, DIY homeowner here. Ist floor of house. Front bathroom hot water draws from cylinder which is heated by the Greenstar 28i Junior Combi located on the same floor. To get from cylinder to bathroom, the water goes up, horizontally over a stairhead, and back down into the bathroom. After...
  15. A

    UFH mixing valve bypassing hot water directly to cold return

    I have a UFH manifold from Wundatrade with a Grundfos pump. The pump feed has a mixing valve which has a hot inlet from the thermal store, and a cold inlet from the return manifold. In-between the mixing valve cold inlet and the return manifold, is a tee which returns the cold water to the...
  16. P

    Leak from check valve

    Hi.. Flat upstairs had a leak over Christmas - They were on holiday and some damage was caused to my flat. The tenants above explained that the leak came from the valve below the main water supply handle, and that a plumber came only a month beforehand to fix this part, that then leaked again...
  17. B

    Unable to switch off external stop valve

    I need to switch off my water at the external stop valve to do a permanent fix on a pipe between that valve and my internal stop valve. There is no tap to turn on the external valve, just a round nozzle with no obvious way of twisting it. Thames Water is not responding. Any advice on how I...
  18. M

    Expansion Vessel leaking water - no air or water from Schrader valve?

    Hey, I've got a Grant Vortex that's leaking water from the seal around the expansion vessel - it's the round type about 50cm wide. The system is at 1.5 - 2 bar, but the expansion vessel has no air in it, and it's leaking water. No water is coming out of the Schrader valve either. The system...
  19. marc1974

    Diverter valve location

    Hi guys I have a worcester greenstar 24i rsf l combi And I just can't see the diverter valve
  20. S

    Ufh mixing valve and boiler flow temperature

    Hi, I have a combi boiler that supplies hot water to two ufh manifolds. We only have ufh and no radiators. I am trying to find the most efficient way to heat our home. What would your recommendations be on the following ways to set our system up. A) Set the ufh mixer to max so it isn't doing...

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