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Discuss Identification help please in the Valves & Taps area at UKPlumbersForums.co.uk.

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  1. Andy Raven

    Andy Raven New Member

    IMG_20190711_105710.jpg [​IMG] Hi All

    Could anybody identify this for me please ( the silver box), it's on a santon premier plus pp210b calorifier, is it a pump?

    Thanks
    Andy
    [​IMG]
     
    Last edited: Jul 11, 2019
  2. townfanjon

    townfanjon Trusted Plumber GSR Top Contributor!!

    Hi Andy , no pic , have another go
     
  3. Andy Raven

    Andy Raven New Member

     
  4. Andy Raven

    Andy Raven New Member

    Sorry, here you go!
     
  5. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    3 port valve
     
    • Agree Agree x 1
  6. Andy Raven

    Andy Raven New Member

     
  7. Andy Raven

    Andy Raven New Member

    Thanks just googled it and i understand what it is now, am i right in thinking on this boiler it would be sending water to the boiler and then two or one other places such as hot water and hot water for heating

    IMG_20190711_105713.jpg
     
  8. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    whats the fault / wrong?
     
  9. Andy Raven

    Andy Raven New Member

    Nothing Shaun, i'm starting out in risk assesment and looking at water heaters and trying to learn as much as i can by self tuition,cheers
     
  10. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    do you see anything wrong might not be your job tho so dont know ?
     
  11. quality

    quality Plumber GSR

    Yes that is correct but that is not just or a boiler
     
  12. Riley

    Riley S. Mod Trusted Plumber GSR Top Contributor!!

    Unvented??
     
    • Like Like x 1
  13. Riley

    Riley S. Mod Trusted Plumber GSR Top Contributor!!

    So what can you see that’s wrong with it? I think I’ve spotted a couple of issues
     
  14. steadyon

    steadyon Active Member

    1. As others have said, its a 3 port motorised valve.
    2. If the controls call for hot water, it will divert the hot water from the boiler to the coil within your unvented hot water cylinder.
    3. If the controls call for heating, it will divert the boiler's hot water to the space heating system (radiators and / or underfloor heating).
    4. If the controls call for hot water and heating, it will send part of the boiler's hot water to each.
    5. I don't like 3 port valves on unvented cylinders, as they may not cut the supply of hot water to the coil off. I prefer to see two 2 port valves, or an additional 2 port valve for the cylinder.
     
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  15. Millsy 82

    Millsy 82 Plumber GSR Top Contributor!!

    Is that vented or unvented?

    That's a lovely place to put a drain off smack bang above the electrics :D
     
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