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Adrian Walker

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Everything posted by Adrian Walker

  1. Adrian Walker
    @Rog1 Welcome to BH, full of knowledge and fun + humour. I’m building in Hampshire, near Andover
  2. Adrian Walker
    This one might have a low force - https://quietswitch.com/products/quietswitch-quiet-pull-cord-switch-for-better-sleep
  3. Adrian Walker
    It would be good if you could post some photos of the house and plans. Where in the UK are you located? Are you totally signed off with BC. Did you have a main contractor? 372 sqm is a large house.
  4. Adrian Walker
    Well done
  5. Adrian Walker
    Have a look at what @TerryE is doing with regards to Octopus and planning his heating and hot water based on the very cheap rates that they publish 24 hours in advance.
  6. Adrian Walker
    Apologies, maybe I'm looking at the wrong spec sheet.
  7. Adrian Walker
    Based on that spec sheet it's not rated at 230V and 5A.
  8. Adrian Walker
    Contacting BT for a new line is often a challenge, despite them being a communication business. This is a Developer Portal a gateway to managing your developments with Openreach. Helping developers, house-builders and architects to build an Openreach network on new residential or commercial developments Open an account and use this link https://www.developers.openreach.co.uk/developerportal/index
  9. Adrian Walker
    True CO2 sensors are expensive, but eCO2 sensors (SPG30) are very good.
  10. Adrian Walker
    An infrared mirror might be an invisible solution.
  11. Adrian Walker
    Just use the output of the reed relay as a trigger to drive a “normal” relay or a solid state relay. Relays are mechanical and will/do fail. Powered gate suppliers like them because they can charge you to come out and fix them when they fail.
  12. Adrian Walker
    I presume this is for your first house? You need to check the rules about buying land.
  13. Adrian Walker
    I totally agree, the physics is good, the electronics is poor.
  14. Adrian Walker
    Snom have a nice range of Dect VoIP handsets
  15. Adrian Walker
    Thank you.
  16. Adrian Walker
    Did anyone catch the name of the PV system that they used?
  17. Adrian Walker
    I suspect that it would/might move around, but the cable would be nice and cool with the airflow!
  18. Adrian Walker
    Thanks for the clarification, I don't know the Givenergy All In One battery system, but it's now on my radar. So 6kW is less than 9.7kW with a nice margin
  19. Adrian Walker
    If your PV panels are 350W each, that would mean ~28 panels, which I don't think you have? Maybe you're planning to send DC down the cables to your inverter/battery system, hence the large current requirement.
  20. Adrian Walker
    Assuming it's at 230V, 47A = 9.7kW!
  21. Adrian Walker
    Quick answer (for resistors is parallel) 1/Rt=1/R1 + 1/R2, longer answers is available later
  22. Adrian Walker
    Back to basics. How well insulated and air tight is the renovation and extension going to be? A drawing/sketch would be useful as would some photos. What do you mean by "broadly up to new build regs"
  23. Adrian Walker
    Just taken a look at your plans and I would, even at this late stage, consider how you could improve the design, especially in respect of the insulation and airtightness.
  24. Adrian Walker
    I think they are around $4000
  25. Adrian Walker
    Because it's easier for most people to imagine 9 litres per second rather than 32.4 cubic metres per hour, that said SI units do make life simpler. I do hate it when people use centimetres rather than millimetres.
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