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Recent content by Jones82

  1. J

    UFH Leaks 1 year after installation

    The leak may be on the pipework around the manifold. Then it’s pooled on the floor and got into the laminate. It’s unlikely you have a leak “under” the floor. Much more common for it to be above floor level
  2. J

    Problems with 2 x new rads not heating up.

    Perhaps the valves are faulty? Maybe try taking the new radiators off leaving the closed valves, then open the valves whilst connected to some hose pipe to flush through and ensure you have a good flow, from both valves/ I'd also be looking at the colour of the water, if it was flushed last year...
  3. J

    Problems with 2 x new rads not heating up.

    Possibly piped up wrong? 2 flows and 2 returns, so no circuit? By that I mean you should have a flow and a return to each rad and instead you have 2 flows and 2 returns. Seen it done before
  4. J

    Grohe Cistern issue

    There may be tiny "blebs" in the seal, almost like little bubbles you can buy replacement seals or the whole cartrdge from toiletspares.co.uk
  5. J

    Faulty new Honeywell valve?

    No voltage on the white, or room stat, ch programmer etc gray is permenant live if I remember right? Its mid position so turns to open heating when there's demand. The additional 2 port is wired into the cylinder stat to provide another interlock for the unvented cylinder Not there at the the...
  6. J

    Faulty new Honeywell valve?

    Quickness! Customer just wanted a valve, but now looking at repiping some of the rads so yeah I’ll convert to s plan too
  7. J

    Faulty new Honeywell valve?

    Yep drain down and full valve 1568829612 Also I blew down the old valve, whilst it was out and it did pass a little bit then I manually closed it and it didn’t pass.... maybe reverse circulation is forcing it open?
  8. J

    Faulty new Honeywell valve?

    Hi guys just exploring a possibility I’ve replaced a 3 port valve and it’s passing into the heating circuit when hot water is on. Could an electrical fault cause this problem? There is no call for heat on the heating circuit, proved with my multimeter. The heating pipe work next to the valve...
  9. J

    Brexit And Your Business

    We’re due a recession, another financial crash, I’ve seen at least two in the time I’ve been in construction. First to be hit will be new builds when the banks stop loaning money. But people always need plumbers, just look around, taps and toilets and boilers in every house! Don’t put all your...
  10. J

    Flue integrity test

    Its air intake so the the same as fresh air, anything above normal co levels would indicate a leak from the flue seals into the air intake. This would also result in higher than normal flue readings Edit quick google search brings up 0-9ppm for normal indoor co levels
  11. J

    water help no hot water

    Sounds like air in the system, try bleeding all radiators and any manual / automatic vent points. If no air comes out I'm afraid you'll have to hire another plumber or get the first one back, I hope you haven't paid him! I would never leave a customer like this
  12. J

    Flow gauges for central heating pipe work

    It was a grundfos 25-80, beast of a pump, think it was 20 litres a min on his laptop but the pump just had the usual 3 settings, it didn’t display watts. Also I suppose it’s not really the performance of the pump I’m interested in. I’m interested in the performance of the system. So how much...
  13. J

    Flow gauges for central heating pipe work

    Just reading some interesting articles on pumps and understanding them further. It seems quite common, on an industrial scale, as a previous poster mentioned, to position gauges "on the suction" side of the pump and "on the discharge" side of the pump. I might buy a couple of low ranging gauges...
  14. J

    Flow gauges for central heating pipe work

    My experience of under sizing is usually the original system being modified, by adding an extension for example, but the heating system is just connected onto, anywhere they can, which results in half the house on a 15mm circuit, resulting in poor performing or even cold radiators. If I...
  15. J

    Flow gauges for central heating pipe work

    "The frictional resistance is much higher than needed because heating engineers do not understand how systems work. They have the idea, passed down from earlier generations, that the water has to be forced through the pipes, so the pump needs to be on the highest setting. This is incorrect. The...
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