Recent content by Mr.Dips

  1. M

    NEST 3rd gen wiring to Vaillant combi 831

    Ok.. thanks.. I will ensure the cable sheaths are further in the heatlink to clamp. Regards to the diagram It doesn't show to connect earth. Can I ask why you say I should connect one? And is it all good doubling up the earth from the boiler along side the L & N which I have already...
  2. M

    NEST 3rd gen wiring to Vaillant combi 831

    Hi, I would just like to say BOOOOM!!! thanks alot STEM!!! I just need to rewire to make tidy and re-drill holes in wall as not so secure... But works!!! Thanks again!!!
  3. M

    NEST 3rd gen wiring to Vaillant combi 831

    Does it matter that above HEATLINK 2 & 3 it says 100-240V? And the BOILER RT says 24V... Can you tell me what these mean please. Thanks so much!!!
  4. M

    NEST 3rd gen wiring to Vaillant combi 831

    Amazing Stem!!! I understand finally... I think LOL. Just wanted to clarify regarding wires from the RT to understand how to connect the thermostat. As you agreed I need to add 2 additional wires makes me understand the disconnected ones are available for the thermostat. So........ NEW WIRE -...
  5. M

    NEST 3rd gen wiring to Vaillant combi 831

    Guys this is not a wind up nor am I a bell end. Just a novice. Mr.paranoid better to be safe then sorry kind of guy. Again thanks for your time and patience. I can understand the frustration when you know what your explaining which I'm trying to understand. Also am trying to understand why to...
  6. M

    NEST 3rd gen wiring to Vaillant combi 831

    STEM, thank you. You made it sound so simple. Guess this is from me focusing on the wrong diagram. Are you sure the diagram you told me to follow is for the VAILLANT ECO 831 BOILER? is it literally as simple as doubling up the N & L from the BOILER to HEATLINK N & L. Then disconnect the...
  7. M

    NEST 3rd gen wiring to Vaillant combi 831

    Thanks stem. Appreciate your help. Regard to the 24v rt. Do I disconnect the wires. Then. Connect with new cables from the 24V r boiler to the heatlink 2 & 3? Thus leaving 2 free cables which I disconnected for them to go into Heatlink T1 & T2. Does this make sense?
  8. M

    NEST 3rd gen wiring to Vaillant combi 831

    I just read the previous post... so my method is incorrect?
  9. M

    NEST 3rd gen wiring to Vaillant combi 831

    Thanks for your reply. That confused me straight away as I question, why would you mention the OT1 and OT2 when in the diagram it's not used. I think the method is..... NEUTRAL from boiler doubles up and goes into HEATLINK NEUTRAL. LIVE from boiler doubles up and goes into HEATLINK 3 use...
  10. M

    NEST 3rd gen wiring to Vaillant combi 831

    Hi, I was hoping if I could get some help please. Reading different threads and watching YouTube vids has confused me. Could someone please help me to make sense. I have the nest 3rd gen, and want to connect the heat link to the boiler and the thermostat on the wall I have attached the pic of...
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