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valve

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  1. S

    nylon cartridge nut cross threaded in brass valve body

    The inside brass threads in my Moen rough in two handle Roman tub valve (Moen | Bathroom & Kitchen Faucets, Shower Heads, Accessories & More - https://www.moen.com/products/M-Pact/M-Pact-Two-Handle-Roman-Tub-Valve-10-Center-1-2-CC-Connection/4796) were cross threaded with the nylon cartridge...
  2. U

    Should you silicone around thermostatic mixer valve

    Hi all, We have a Mira agile/pronta shower mixer valve attached to a tiled wall. It doesn't say in the manual but do you need to silicone around the periphery of the mixer where it meets the tiled wall? Or are they internally sealed or doesn't matter if water seeps into it from splashing etc...
  3. S

    Auto Bypass Valve OR Proportional Pressure pump mode – how to choose?

    I have read that an Auto Bypass Valve (ABV) is not compatible with a pump set to Proportional Pressure (PP) mode. I have a recently fitted Vaillant EcoFit Pure 430 heat-only boiler + Vaillant SensoComfort weather sensing controls + 15 rads (12 with TRVs) across 2 CH zones + a static bypass...
  4. M

    Single outlet shower valve on two outlets???

    Ok so, I supplied a shower valve, overhead shower and riser to a customer that was having it installed by a plumber. Hands up I made a mistake when I ordered the valve and supplied a single outlet instead of twin. If the plumber had called me at time of install I could have swapped it for him...
  5. M

    How to turn valve off

    Our fridge freezer has an external water filter, we had builders in and they knocked the filter and it is now leaking. There is a valve connecting the filter to the water supply, however I can’t work out how to turn the water off. There is a small threaded hole on the front about 5mm wide, is...
  6. M

    Heating valve what it does

    Can someone tell me what this stop valve does. if it’s to regerlate flow how it need to be adjusted. thanks
  7. F

    Broken zone valve for downstairs heating?

    Hi all, Hoping to check if I have a genuine fault, or something I've overlooked. I've just moved into a my first house with a conventional boiler and hot water tank. The heating system has two heating zones (upstairs / downstair). Currently with both thermostats up high and the heating zones...
  8. R

    Diagnosing banging motor valve

    Hi, I have a three-zone 2016 house with gas heating. When the downstairs heating switches off, it bangs extremely loudly. I have tried adding clips and it only helps to a point, I would have to take down plasterboard to get at the noisest part. The valve appears to be the correct direction. I...
  9. P

    Brand new shower mixer valve not switching off

    Installed a victorian plumb shower valve and tested last night, on and off no problem. Tested againg tonight and it came on but wont switch off. Contacted victorian plumb and have to wait up to 72 hours for a reply. Any ideas on what I can try as weve been without a shower for over a week now...
  10. C

    Satchwell 5 2 port power on power off valve.

    Hi first time poster, My elderly Aunts bungalows heating system, Ideal e type cf floor mounted boiler, yes I know it's ancient however she steadfastly refuses to have it changed even when offered a free boiler grant. Long and short her hot water is now getting boiling hot, I suspect its either...
  11. J

    Shower valve on supply pipe

    Hi, I just bought an old house that was renovated in the 1980s. The bathroom shower has some kind of valve on the supply pipe - does anyone know what this is for? The whole bathroom will be going into a skip in a few months but I’m just curious as to what it’s for. Thanks.
  12. 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...
  13. 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...
  14. 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
  15. 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...
  16. 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 -...
  17. 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...
  18. 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...
  19. 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...
  20. 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.

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