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  1. M

    Nest installation

    your welcome Shaby
  2. M

    Nest installation

    Desperate Dan :cry: its seems that the people who are employed to wire in these fairly simple wiring jobs have a vested interest in keeping trade secrets . I have a Valliant ecoFITpure and the 5 wires that go to the connection block X12 have live, neutral and 2 x earth the one of these Rt is...
  3. M

    Valliant EcoTec Pro30 Nest Installation

    The reason ,I take it, for removing the red link is to stop the low voltage side of the cct keeping the boiler permanently on heating
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