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Recent content by justlead1

  1. justlead1

    System design recommendation

    You may well find the people that produce / sell the underfloor heating pipe manifolds etc will design the circuits and calc Kw boiler required.
  2. justlead1

    Problem with old towel rad pipes

    Carefully chop the floor out to expose pipes for say 200 mm moving copper pipe 12.5 mm each should not be a problem.
  3. justlead1

    One Pipe System - Help Please

    As a young man i installed a lot of one pipe systems. They are not perfect but at the time there where less options. The biggest issue was the length of 1/2" pipe work to the rads from the 3\4" loop, if long circulation would not take place through rad. (when fitting says rad in a bay window...
  4. justlead1

    Flow rates with this combination of pipes/equipment

    Plumbings one thing reading another. Sorry Chris i seem to be lacking in the latter.
  5. justlead1

    Flow rates with this combination of pipes/equipment

    Good morning Chris I applaud your questions regard plumbing system design. It gives me the opportunity to have an opinion and rant to an audience. What is a fact surrounding your proposed system, is without changing pipe sizes. But removing combi and installing an unvented mains feed hot water...
  6. justlead1

    Is this residual water dangerous?

    Are you in position to lodge facts with insurance company to keep case open to accommodate your concerns. It is also worth remembering that gallons upon gallons of water are used in construction which includes plaster on ceiling etc. They will dry with time and in most cases cause no structural...
  7. justlead1

    Flow rates with this combination of pipes/equipment

    When you increase the pipe size on hot supply, it also increases the volume of system. Which means you will need to pull more cold water off before hot water occurs at tap/shower.(high water bills) If you do not increase the pipe size on the hot you won't achieve much. So your between rock and...
  8. justlead1

    Radiator problem/question?

    It is difficult to comment with out knowing the type of system you have. Is it gravity or do you have a circulator on the system? Is is one pipe or two?
  9. justlead1

    New Loft Conversion and Water Pressure

    Pushing mains water through a combi create a lot of frictional resistance reducing flow on downstream side, so using the 22 mm straight up to loft may be good but water softeners also restrict flow. You could experiment, run pipe up there with a valve on the end and try it with showers running...
  10. justlead1

    Am I a mug working for this amount?

    Your not a mug as you are working and know doubt learning. You have qualifications, so do thousands of degrees owners, along with thousands of pounds of debt which they will never earn enough to pay back. Plumber is just a name, its a case of measuring your position in the league of plumbers...
  11. justlead1

    I (think I) blew up my HEP2O DHW flow !!

    Is the pipe marked with the name etc? As it looks like a plastic pipe introduced many years ago for cold water work(name escapes me) jointing method solvent weld. Having started in the game before plastic was introduced it fare to say its introduction has created many issues. The longevity of...
  12. justlead1

    Advice needed for new hot water cylinder configuration please?

    The standard ball valve fitted to CWSC control and fill the cistern over long period, owing to the small orifice that allow mains water into cistern. Using a equilibrium ball valves will deliver say 5 fold and more in the same time as part two valve. This may well help to improve the...
  13. justlead1

    Upgrade from 15mm to 22mm worthwhile?

    By increasing pipe size you reduce frictional resistance. However if say the proposed 22mm is only 1m in length the flow rate increase would be minimal. But if the length of 15 mm too the tee was say 10 m the flow rate when 22mm is employed would be a marked increase. As well as pipe length...
  14. justlead1

    stopcock and pipework

    Try Ebay Galvanised barrel nipple 3/4" Galvanised long screw 3\4" connector
  15. justlead1

    I am I too old for an apprenticeship?

    There is not a tablet to take to be a plumber. but the chemistry may be in you somewhere. There are some who mascaraed under the name plumber. Aim to be a good plumber, it will cost you to learn in terms of low wage. But once you have both practical and knowledge of subject, thing will get...
Creating content since 2001. Untold Media.
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