Recent content by IggyT

  1. I

    Nest on Vaillant ecotec plus 630 H sys A

    Thanks for the advise. I will take the programmer cover off and see what it is controlling.
  2. I

    Nest on Vaillant ecotec plus 630 H sys A

    Thanks for the reply. It’s not a Combi, i.e. I need hot water in the cylinder tank for showers etc. So the programmer and all the other bits are in the airing cubboard. I guess this is were the heating and hot water are controlled from. Some more investigation needed I think.
  3. I

    Nest on Vaillant ecotec plus 630 H sys A

    I’m looking to add a Nest stat and have been looking at how the current system is wired. I have a Honeywell stat that sends to the boiler. The boiler is in the garage and the programmer and tank are in the bathroom above the garage. The junction box by the boiler has mains power, going to the...
  4. I

    Valliant ecotec not reaching flow rate target temp

    The outside temp is approx 10 degrees, but the house is a little cold at 16 degrees, so I thought I'd put the heating on for a bit, but the boiler is only show 38 degrees and the only way I can get the rads to get hot is to put it in chimney sweep mode. The boiler is coming up to a year old and...
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