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  1. C

    Changing a 2-port valve to a 3-port valve

    Thanks gas112. I'll have a look at the wiring later, post a pic, and source help on wiring!
  2. C

    Changing a 2-port valve to a 3-port valve

    here is what i am thinking of converting to... Obviously I may have got it wrong, if so then advice is very much appreciated.....
  3. Untitled

    Untitled

    • CRJ1965
    • Media item
    • Comments: 1
    • Album: CH Schematic
  4. C

    Changing a 2-port valve to a 3-port valve

  5. C

    Changing a 2-port valve to a 3-port valve

    I've attached a schematic to explain things..... At the moment the boiler will always circulate through the HW cylinder. If I select CH.
  6. Untitled

    Untitled

    • CRJ1965
    • Media item
    • Comments: 1
    • Album: CH Schematic
  7. CH Schematic

    CH Schematic

    • CRJ1965
    • Album
    • Comments: 0
  8. C

    Changing a 2-port valve to a 3-port valve

    in what respect? it looks like a 3-port valve will fit in the space....
  9. C

    Changing a 2-port valve to a 3-port valve

    G'day Folks - just moved house, and our new abode has a 70's vintage CH/HW system (although the boiler is only around 7yrs old) At the moment there is one 2-port valve installed which allows the HW only to be fed, or both the HW and CH to be fed simultaneously. There is no way to have just...
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