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  1. Z

    stoves gas cooker - oven yellow flame

    see below youTube link to a video the oven is fan assisted and has recently been cleaned. there is a big fan at the back circulating air inside the oven stoves oven flame - YouTube
  2. Z

    stoves gas cooker - oven yellow flame

    what cause the gas cooker oven to produce yellow flam and how it can be treated.
  3. Z

    wiring waterline under floor heating to 8000 style Worcester boiler

    many thanks, you are spot on, this is the right instruction. just to confirm my understanding and if we say the boiler is the starting point so that everything is controlled from the same point. I need 4 core cable and the cores will be connected as follows at the boiler end; brown to the L...
  4. Z

    wiring waterline under floor heating to 8000 style Worcester boiler

    I am trying to wire my under floor heating wiring centre back to the boiler so that it can fire when there is a demand for heating. And this is how the system is set up. the room thermostat and programmer (one in each room/ one zone) has three wires, N, L and L1 (live switch), these wires...
  5. Z

    how to wire under floor heating wiring center to Worcester boiler

    the under floor heating is controlled by wiring center. this wiring center get the order from wall thermostats when there is a demand for central heating. the wiring center in turn open the zone valve, switch on the plumb at the manifold and send a signal to the boiler to fire up. in the boiler...
  6. Z

    advise on low loss header

    I understand this is an open free forum and I am entitled to share the knowledge and benefit from other people experience. Therefore, i am not asking you to do the search for me. I am directing my question to whoever can positively and politely help.
  7. Z

    advise on low loss header

    is it safe to calculate the heat loss from the under floor heating CAD design, see attached, if so then, the total output heat from the 3 manifolds is approximately 15kw. add another 1kw for the small radiator in the main family bathroom would make it 16kw. if the above assumptions are...
  8. Z

    help finding the water supply blue pipe

    before I started my extension 2 years ago, Thames water redirected the main water supply and run it along side the house. however, they fitted a lot of reduction adaptors to connected it to the 15mm pipe inside the house. I am in a process of upgrading the heating system by installing an...
  9. Z

    advise on low loss header

    I used the free version. but still I do not know what to select. for example U Value Roof/Ceiling Glazing (W/m2K) . I do not have glazing in my roof. it is a normal pitched roof with 3000mm mineral insulation but all the options refer to glazing or U values which do not know what it is.
  10. Z

    advise on low loss header

    the calculation might be wrong, I only entered few parameters correct but the rest I did not understands (particularly the UV values) so just gust them, is there and instructions to show mw how to use the heat loss calculations?
  11. Z

    advise on low loss header

    yes i did, the calculation is attached in my previous reply, can't you see it
  12. Z

    advise on low loss header

    the average area of the main house and the extension is 250 square meters. the Worcester 8000 style 35kw system was recommended by the first engineer who came around to provide a a quote and verified by others as well . However, when I checked Worcester website, it does also recommend it for...
  13. Z

    advise on low loss header

    i built an extension and upgraded my main house heating by installing all underfloor heating. And I am in a process of replacing my old boiler combi(Worcester 28cdi, see pic) to new Worcester 8000 style 35kw system boiler and 250L Megaflo unvented cylinder. there is only one small radiator in...
  14. Z

    PVC window does not shut or open easily

    sorted,... the issue was hinge issue and not Toe and Heeled. to find out whether the problem related to Toe and Heeled or hinges is when you take the glass out. if the opening sash behaves in the same way then it is hinge issue and not Toe and Heeled. And there is an improvement or the opening...
  15. Z

    PVC window does not shut or open easily

    all i need to turn the sash anti clockwise a degree or so
  16. Z

    PVC window does not shut or open easily

    correct, ...if I can slid the bottom hinge right few millimeters and the top left few millimeters would be good and make the sash square but I am unable to do so.
  17. Z

    PVC window does not shut or open easily

    check the glass and it is toe and heeled properly, I took it off and repeated the process again after watching few clips on youtube but still the same, no difference.
  18. Z

    PVC window does not shut or open easily

    thanks, this means that I might need to screw the the last and the middle one in a different holes from the original ones. if so, the two holes will be overlap each other resulted in the screws will not fit tight, or Am I missing something?.
  19. Z

    PVC window does not shut or open easily

    there are 3 screws, the back and the middle have tight fit circle and only the last one have a slot therefore the hinge can not be slide in any direction,
  20. Z

    PVC window does not shut or open easily

    can someone help please
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