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  1. D

    No Hot Water Flow After Heating.

    I'm after some guidance if possible please. I have a fortic F1 vented direct cylinder with an instant immersion and an economy 7 immersion. A couple of weeks back I lost all hot water flow when I got up in the morning so suspected a blockage or maybe an airlock and reported it to my landlord...
    • DevishaM
    • Thread
    • flow heating hot water water
    • Replies: 0
    • Forum: UK Plumbers Forums
  2. M

    Poor flow and pressure issues?

    Hi guys. I replaced an electric shower for a family member recently and on completion noticed how poor the pressure was. It wasn’t like this the week before when I initially looked at it. Apparently Severn Trent were in the area the following week to do some work. She’s now saying that the...
  3. W

    Recommend adjustable flow rate shower mount for detachable shower head

    I have a pretty standard hand held shower head. The C-bracket holding it up to the mount is cracked. I searched "shower arm mount" on amazon and got plenty of hits but none of them have the adjustable flow rate feature I want. Any recommendations?
  4. M

    Back flow risk near sluice sink

    I need some ideas for preventing back flow risk near a sluice sink in a school. Its special needs school and they currently have a mains fed shower next to a sluice sink, they use it to wash down children on special trolleys if they have had an accident. At the moment the shower hose can drop...
    • MOSSEP
    • Thread
    • flow sink
    • Replies: 3
    • Forum: Plumbers Arms
  5. blangotti

    NHBC Flow Rates Standards (8.1.5)

    Hi, I have a question related to NHBC flow rate standards. Does this standard apply when using a flow regulator? I have a new building without sufficient water flow while using the outlets simultaneously. But the builder insists that it is according to NHBC guidelines and the low flow is because...
  6. P

    Getting the flow right…

    Just had a lovely Viessmann 222-F installed along with a HUGE 5.5kw triple panel radiator, almost next to it, to heat three rooms knocked into one. If I open the large rad valve enough to heat the large room (I’m guessing that) the return temp to the boiler is quite high, and the boiler is...
  7. V

    dripping from over flow pipe have a heat genie could it be stuck open

    After power cut boiler over heated, since then water is dripping from the over flow pipe. I have a heat genie could it be stuck open or dirt causing a drip? How do I stop it ?
  8. B

    Shower flow pressure query

    Hi everyone, I have a question regarding the flow and temperature on a thermostatic mixer shower. The water set from the combi boiler is hot in the kitchen, the bath hot water tap is quite warm and when I reduce the flow by turning the tap half way the water gets hotter. My shower has been...
  9. C

    32mm MDPE supply pipe upgrade for flow?

    Hello all, Currently suffering from poor internal flow rates near the internal 20mm stopcock of 10L/min. Want to upgrade system to either unvented cylinder or large storage combi to feed 5 bedrooms/1 bathroom/1en suite. Affinity water have confirmed supply pipe to the boundary stopcock is...
  10. N

    Can I adjust the hot/cold water flow into a shower head?

    I’m hoping someone can help me. I’ve had a bathroom installed, and the whole process has been a nightmare. The plumber has now disappeared, and left things half finished. Some stuff I can sort (toilet and towel rail not actually being secured to the floor, bath not sealed around, leaking bath...
  11. C

    Increase Water flow - pipe/accumulator

    Hi all, looking to solve my clients water flow issues. 5bed detached House in the South East with a combi boiler. Customer is unhappy with shower flow when running a single shower. Affinity water have come out with the following measurements: Water Meter 2.5 bar Max flow 25l/m Running...
  12. C

    Removing radiator leaving flow/return pipes open

    Hi. I am about to lay new wooden flooring and replace my skirting boards. I want a full skirting board behind my radiator but to do this I will have to remove the radiator (take it off the wall) - obviously the system has to be depressurised to do this ... my question is this ... I do not...
  13. Grahampowell22

    Hot water pressure dropped on two outlets only (mega flow)

    Hi. We’ve a pressurized megaflow system and the last few weeks we’ve lost water pressure on Just two outlets in the house. The first a Keuco mixer shower were the hot outlets is just a dribble where previously it filled the bath in 5 mins and the second a Quooker tap where the tank fed supply...
  14. B

    How many radiators off a 22mm flow

    Hi all I currently have 6 old radiators (downstairs) off what looks like 15mm pipework. It comes off the zone valve in 22mm and then goes under the suspended floor and is 15mm throughout. It takes forever to heat the rooms and as the radiators need replacing anyway I was looking to upgrade to...
  15. B

    Replacing Ferroli Optimax HE 31C Flow Restrictor

    So far, despite the obvious reputation, we’ve been really lucky with our Ferroli Optimax HE 31C. Only had two replacement diverter valves fitted in its life so far and very little else has gone wrong but has been regularly serviced so hopefully will last a little bit longer HOWEVER a small drip...
  16. Riley

    Minimum flow and pressure expected

    Evening chaps, I realise that different parts of the country will differ in terms of pressure and flow in coming but is anybody else noticing a trend that guaranteed litres per minute is coming down and down as confirmed by providers? I have two recent quotes both large family houses where...
  17. PennyR

    Continuous Flow Hot Water System - Highest Temperature

    Hey all, I'm setting up a small brewery and need the ability to have instant hot water at decent flow rates. I've been looking at commercial options but I was wondering if anyone can recommend a good unit that can get unto 80? Appreciate any guidance!
  18. H

    Underfloor heating flow direction incorrect?

    Hi All, We're been living in a new build property for the past 2 years without any obvious heating issues. We've an underfloor heating system that's split across 4 rooms, and is driven by a Daikin ASHP. I've occasionally had to take the actuators off in order to release stuck pins after...
  19. garry71

    URGENT Rifeng FN5C flow control valve

    I'm looking for flow control valves to fit 2010 Rifeng FN5C manifold (fine-thread?). Is there an alternative out there?
  20. L

    Black flow meters on new CH system

    Hi Is it normal to have very black UFH flow meters on a relatively new manifold (see image)? (Note the two clear flow meters on the LHS are for circuits which are not yet operational, so no water flow through them as yet.) Background is that I have an unvented system boiler CH system...
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