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thermostatic

  1. 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
  2. B

    thermostatic bar shower

    Hi I am looking for a thermostatic bar mixer shower unit with dual heads to fit between inlet pipe centres and ceiling at 840mm any one reccomend a shower to suit please?
  3. M

    Thermostatic Shower Mixer Bar Controls

    Hi Guys Can someone please shed some light. In my house all the taps have the hot water on the left, cold on the right. The pipes which connect onto the shower mixer bar, the one on the left gets hot so it's the same as the taps. On the mixer bar itself the left control has blue lines on it...
  4. N

    How to check H/C pressure for Grohe thermostatic value shower

    How do I check hot and cold water pressure on 15mm exposed copper pipe? We have a Grohe Avensys (GROHE 34222000) from Aug 2018 which I fitted myself, to replace a Grohe Avensys Modern EV from that had stopped regulating temperature properly which I'd fitted in 2008. The temperature regulation...
  5. J

    Will a thermostatic shower mixer work with two hot supplies?

    I won't go into the specifics here because it'd be far too long, but in a system I'm building I have two hot supplies - one between 25C and 35C, and one between 45C and 70C. (In short, I have two heat sources that perform differently under different conditions). I want an output temperature of...
  6. W

    Buzz from thermostatic mixer tap

    Hi, just want to make sure I'm going down the right route with this. I've just installed a thermostatic mixer tap on my bath. When I tried it for the first time it buzzed (a fairly low buzz) After a bit of research I found this could be caused by unequal pressure between HW and CW. I tested the...
  7. R

    Thermostatic Head Stuck

    Hi, I've got a Drayton Thermostatic Head that is totally stuck on 0, i.e. can't twist it round. I've taken it off the radiator and it still won't twist at all, it's almost like it's locked somehow. Is there an easy way to free it? Thanks in advance.
  8. B

    Thermostatic shower mixer

    I am building a new house and have the cold water pipes running to all my fixtures which are connected to the mains etc.....I also have hot water pipes running to the relevant fixtures, but...my heat pump has not been 'commissioned ' yet, so I at the moment do not have hot water available...
  9. I

    Mira Vigour thermostatic shower needs new brushes.

    Hi. Our Mira Vigour thermostatic shower is starting to make a whining noise. It sounds very familiar! Eight years ago I ignored it and ended up having to replace the entire unit. Older and wiser (courtesy of the internet) I realise (now) that it needs new brushes; I've had the cover off and can...
  10. W

    Thermostatic bar shower problem

    Looking for some advice regarding my shower. Its a thermostatic bar type supplied by a combi boiler. Recently it has started running cold after approximately 1minute. Suspected a cartridge issue. Rather than replace cartridge I replaced entire bar. I still have the same issue. It runs fine...
  11. T

    Thermostatic bath shower mixer fitting with taps reversed

    Hi, I have finally decided to swap out the stand alone taps in my bath for a mixer. I have previously been using a Croydex push-fit shower but think it's finally time to upgrade to a proper fitted one. I have been looking at a deck-mounted thermostatic bath/shower mixer like this Vellamo Echo...
  12. A

    Thermostatic Mixer Advice

    Hello. Currently in the process of changing an electric shower into a thermostatic mixer shower, its a bit of a long story with the builder but the existing shower area was basically bodged in to fit and tiled over concealing a few of the builders hacks into the plasterboard walls and getting...
  13. M

    Thermostatic valve replacement

    Hiya I need to replace my thermostatic valve, can I just buy any replacement valve from local shop or does it have to be a specific one?
  14. D

    Aqualisa Thermostatic Cartridge - Grey 022801- Help

    Hi, I've just swapped out the old Aqualisa cartridge for the new, however when I went to turn the water inlet valves back on the cold was fine but I had no control over the hot. Meaning when I shut off the shower the hot water would keep flowing. Any thoughts gratefully received as I am...
  15. G

    How do I remove the handle from a Bristan Colonial Thermostatic Shower.

    I have unscrewed the handle and removed the grub screw underneath but can not remove the outer body! The instructions say it should just pull off? TIA
  16. J

    Alterna Amala concentric thermostatic mixer valve Shower cartridge replacement

    I am replacing a new shower cartridge on a Alterna Amala concentric thermostatic mixer valve I was sent the wrong part , so i am awaiting the replacement .However when i reassembled the old one i was unable to move the shower lever ..So my question is when i fit the new one is the cartridge...
  17. smodkins

    Thermostatic Mixer Shower

    Hi all, I’ve just removed a Triton mixer bar shower I had fitted ten years ago to replace it with a Mira shower. The instructions suggest I should have 25mm of pipes sticking out so that I can put the wall brackets over them, then the olives and then the nipples. I don’t have this setup. If...
  18. D

    Thermostatic bath/shower mixer - water temperature fluctuates hot-cold

    Hi there, We've got a problem that I'm hoping someone has some thoughts on. We have a Grohe thermostatic bath/shower mixer in a first-floor bathroom which is fed by a combination boiler. The intsallation has worked fine for around 8 years without problem. Around 2 months ago the hot water in...
  19. H

    Thermostatic shower cutting out - Salamander CT50 Twin (2014)

    Hi A couple of days ago our shower power would not kick in. I switched off at the power and ran the water for a bit which seemed to resolve it. However yesterday the problem returned but worse. I tried switching the power off and running both hot and cold but the issue persists and the flow...
  20. L

    Bristan thermostatic mixer

    Hi all, just installing a Bristan mixing valve. On the hot and cold inputs it has non return valves that have a fibre washer between the NRV and the body of the valve. Do I need to ptfe the threads as well of is the fibre washer enough? Tried to upload a photo but there seems to be a problem...

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