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Discuss Upgrade CH system: what trv's ? a in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. Forbes

    Forbes New Member

    Hi, I'm not a plumber but a retired householder who used used to do some of my own plumbing. The CH system in our house was installed before the days of compulsory trv's and just has a lockshield valve and a control valve on each radiator. Many of these have not been touched for over 20 years and so start to leak when any adjustment is attempted ( should be no surprise!) . I now want to replace all the valves in the house ( except the handful already replaced in emergencies ) with new trv's and new lock shields . I quite like the idea of an electronic programmable on each radiator. Pegler used to do something like that but they seem to have given up on the, and there seem to be some reasonably priced German ones about but I'm not sure what they do. Can anyone suggest such a trv? I don't want to go in for one of the fancy systems controlled from a smart phone, just independent valves that are a step up from manual trv's .

    Another question , if I may , is it still a good idea to balance the system these days or do you just leave up to the trv's to sort that out?
     
  2. doitmyself

    doitmyself Well-Known Member

    Read the attached document.
     

    Attached Files:

  3. Forbes

    Forbes New Member

    Thanks, doitmyself. That's quite a performance then. I'll get a pro to do it. But the answer seems to be: Yes, balance the system before letting the TRVs do their stuff.
     
  4. Rob Foster

    Rob Foster Top Contributor!!

    Have you ever had ur system cleaned out of all the ferric gunge, if you are doing an up grade do all at same time. its
    a diy job to change rad valves in my opinion..esp when the weather warms up . look at lidl for cheap programable valves.
    you need a list ..all to do at same time. later if you want Rob Foster aka centralheatking
     
  5. YorkshireDave

    YorkshireDave Plumber

    At the risk of being hunted down & shot, I'd not yet fit any electronic TRVs. For me they are not yet reliable enough and neither do they yet harvest energy from the heat to pump back into the battery they use.

    Personally I'd go for independant room valves with an appropriately placed stat. Just little ol me :eek:
     
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    • Agree Agree x 1
  6. Rob Foster

    Rob Foster Top Contributor!!

    I will never hunt you down and would never shoot you...YDave ..you are correct most of this new .'connected' stuff is so
    intermediate its untrue...we should all wait a while before
    committing, On the the same track I looked at a tesla
    last month, at Knutsford had a drive ..2.5 secs o 2 60 ..wow. but only 320 miles range.. maybe next year when the batteries are better and cheaper
    Angela will not let me buy a
    Maseratti Quatroporte because
    'its gross' ..it was going to be my 60 present to myself ..never mind
     
    • Like Like x 1
  7. Forbes

    Forbes New Member

    Rob, yes the system was cleaned out a few years ago, Dosed and a magnetic filter fitted. I realise that this all needs doing again when I upgrade the valves. I don't intend to do this myself as I am getting a bit long in the tooth and creaky in the joints, but before I start looking for a plumber /heating engineer I want to decide for myself what kind of valves to use. I am beginning to incline towards the standard non-electronic, non-programmable trv's (thank you Dave), but that would be with some regret because I think that it should be possible to design, manufacture and market a reasonably priced and reliable programmable trv. Better still , one with a wireless control by a room thermostat (one per room ) but maybe I'm living in cloud cuckoo land.
    Thanks guys.
     
    • Like Like x 1
  8. YorkshireDave

    YorkshireDave Plumber

    Forbes remember that whilst much is 'possible', as you stated it is a determination of 'reasonably priced' that makes it unattainable. We all have unreasonable expectations of 'reasonably priced' which is why we end up with the rubbish we are served. We then complain it's unrepairable and fails quickly but, when you stand back, that's how they make their money. If they made something as per our combined descriptions no one, including you, would buy it. We all want our heads knocking together ;)
     
    • Like Like x 1
  9. Rob Foster

    Rob Foster Top Contributor!!

    good , drayton valves are in my opinion best centralheatking
     
  10. EvilDrPorkChop

    EvilDrPorkChop GSR

    Honeywell Evohome is a great system however maybe a bit over kill for what you require if you want to keep things simple and costs down.
     
  11. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Evo home

    danfoss connected system

    Drayton mi system (don’t know if they do rad valves )
     
    • Like Like x 1
  12. EvilDrPorkChop

    EvilDrPorkChop GSR

    Do you mean the Drayton Wiser system?
     
  13. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Yes
     
  14. Gasmk1

    Gasmk1 GSR

    should have said would have met you there could have taken me on the test drive i only live 9 miles from knutsford
     
  15. Chuck

    Chuck Well-Known Member

    She's got a point. But, if you haven't tried it already, buy yourself a one-day 'high performance driving experience' at a race track for your 60th. Definitely one for the bucket list...
     
    • Like Like x 1
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