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Discuss W plan wiring using midposition valve in the Central Heating Forum area at

  1. Readingplumber

    Readingplumber Member

    Hi is it possible to wire up to work has a W plan using a mid position valve? If so any advise? Thanks
  2. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    Found this online bud . cheers kop

  3. doitmyself

    doitmyself Well-Known Member

    If you connect the white and grey wires together they become the equivalent of the brown wire in a diverter valve. The orange is not used, so it should be "parked" in an unused terminal of the wiring centre.

    Why are you thinking of W Plan?
  4. Readingplumber

    Readingplumber Member

    Thanks just need it for a temp repair till major system renewal in summer.
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