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  1. M

    semi gravity upgrade question ? please help

    thanks for your reply what if i attach the pump to the room stat switched live would that work ? position number 5 mark
  2. M

    semi gravity upgrade question ? please help

    is this a suitable wiring diagram to make my old system the most effecient it can be ? mark
  3. Untitled

    Untitled

  4. M

    semi gravity upgrade question ? please help

    Thanks for your reply Ive wired to the c plan drawing on the left image and eveything seems to work Until cylinder stat is satisfied then it closes the motorised valve and the pump seems to over heat ! Is this because my valve is on the heating side of the system ? Is there a workaround...
  5. M

    semi gravity upgrade question ? please help

    hi everybody I currently have a old semi gravity system with no cylinder stat ! I cant set it to have hot water only ! when i do the heating comes on aswell doesnt seem right to me was wondering is this upgrade possible ? i only have one zone valve which seems do be on the heating...
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    Untitled

  7. heating

    heating

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