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flow

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  1. M

    Restricting flow at tap

    I'm fitting a bathroom basin and the water pressure is a bit fierce, I'd like to reduce the flow at the mixer tap. It's plumbed using JG Speedfit. Can I just use a stopcock or stop valve or service valve to do this job?
  2. G

    Mira Excel (circa 2002) mixer shower no hot water flow

    Hi all, my 2002 Mira Excel mixer shower is only putting out a dribble of hot water, the cold flow is fine and hot water flow to the bath tap is fine, I fitted a new cartridge to this shower around 3 years ago but the temperature ring is noticeably easier to turn on the faulty shower than on the...
  3. S

    Asking for opinion about flow meter concerto

    I'm the homeowner of a heat pump + UFH installation, 2 floors with 1 manifold on each floor and a common pump. On both floors each circuit has the same problem: whenever a zone asks for heat and the motorized valve opens there is a some loud knocking going on (see video). In the case of the...
  4. S

    water flow rates multiple use

    hi all. needing a bit of help please. I do new build properties and have a customer that will not accept a loss of flow rate when using multiple outlets, eg taps restricted flow rate 6 l/min is achieved but reduces to 5 l/min when using two outlets. what i need is the british standard and /or...
  5. A

    Looking for a specific flow meter for UFH manifold

    Hi. I need to get a replacement flow meter as one has split and is leaking. I can’t seem to find the specific one and can’t see a maker on it. Does anyone know where to get one, what it is or any alternatives? Thanks.
  6. J

    My boiler hot water flow rate is slow

    Vaillant Ecotec Pro 28 Running 7 radiators. Outside Tap Cold water flow rate = 12l/s (it took 5s to fill 1l pot) Kitchen Tap - just running cold water = 4 l/s Bristan Shower Mixer - cold water rate = 12 l/s Hot water rate is really low The boiler heats up the water fine -its nice and hot...
  7. J

    Firebird Condensing Oil Boiler Flow / Return?

    Hi all, I am new here and a capable plumbing DIYr. I have just purchased a Fire Bird Silver Boiler House model to replace my old and now leaking Worchester Bosch oil Boiler. The oil condensing boiler instructions have no reference regarding the flow and return connections!! Nor are they...
    • JC22024
    • Thread
    • boiler flow oil boiler return
    • Replies: 10
    • Forum: Boilers
  8. G

    Reverse flow conundrum

    Hello all, An issue some advice would be great on if you can. Boiler with no leaks, holding pressure fine with a reverse flow FA fault code. If you drain the system and refill, obviously bleeding pump and rads, the whole things runs smoothly for about 5 to 7 days. At a random point it will...
  9. B

    Hot radiator return pipes but warm flow pipes

    Although my CH radiators are hot to touch eventually, I have noticed that one in the downstairs sitting room and probably one of the last to get really hot, has a warm flow pipe and a very hot return pipe. The same applies to some of my other radiators but not all. Is this a balancing issue...
  10. D

    Hot water goes to header tank when powerflushing forward flow,help!

    Hi I have a gravity-fed system I have flushed it out a couple of times and it has had x400 in the system for the last 4 weeks. There was one radiator with stubborn flow left which doesn't heat up enough, it has 8mm pipes which I think is the problem, rather than the rad as I have had the rad...
  11. A

    side flow fill keeps flowing

    Hi, I have just installed a brand new side fill concealed cistern. The cistern fills ok and gently stops an inch below overflow. The float then stop moving up as expected. All seems ok until about 30 to 60 seconds later the outlet slowly starts to drip water which then becomes more steady and...
  12. Ccw1971

    Advice - 15mm gate valve to 22mm flow

    Hi, new member here, so hello! I recently bought a house that needs heaps of work, so have no money and lots to learn along the way. Ive had a new WB 8000 Life 40kw system boiler installed on my gravity fed system. The house is a long bungalow with roof rooms which had no heating so I asked my...
  13. L

    Opinions on this : Vaillant Boiler Fitted with "Vaillant protection filter " on the flow

    All feedback welcome ! Here are a few details . 1.New Ecotec Vaillant boiler fitted ."protection kit/filter " paid for to get 10 year Guarantee etc . 2.Vaillant filter fitted on flow for No reason . This was coming up to 2 years ago. 3.Install company then serviced it and failed to notice...
    • LJD1010
    • Thread
    • boiler flow vaillant
    • Replies: 49
    • Forum: Boilers
  14. Bogart

    Flow rates through 2 and 3 port valves.

    Yes it me again with another question. I keep reading that one will get a better flow rate in an S plan than in a Y plan. Now I can see that being valid if both heating and hot water are called for but if only one surely the flow rate will be the same for both plans? Finally are there any makes...
  15. L

    Low Mains Water Flow Rate 2 Litres A Minute!!! What Boilers/System Can I Fit??

    Hello, This is my first time posting as I'm a new member so apologies in advance if this has been covered before. I have recently done a landlords gas check at a property with only 1 gas appliance (heat only boiler) and ended up condemning it as it was ID for many reasons. The landlord asked...
  16. R

    Flow and no return

    My Son has a problem with rads not getting hot and we think it may be caused by either the flow or return pipework. He has 2 rad on his living room one is hot and one is cold. Fig 1 is how the pipe work is currently, both the flow and return have tee connectors feeding the rads, the first rad is...
  17. C

    Mira Sprint Multi Fit Shower 9.5K - water flow has stopped mid-shower

    Hi, I have a 3 year old shower and the water has stopped flowing through yesterday, mid shower. The RCD has not tripped. The pull chord in the bathroom is on and the light is showing. The on light is green on the shower. I tested the on switch on the shower itself and it is definitely clicking...
  18. A

    Triton shower stuck on max flow

    I need advice about diagnosing why our Triton shower is stuck on max flow, with the flow control dial not responding, please. It switched on/off ok with no leaks. The filters were clear, but there is a lot of black spot inside the whole unit. Temperature is also good It's a Triton IPS Thermo...
  19. S

    stopcock no water flow

    Alright so we made a bit of a mess the other day. Pulled the washing machine out and the pipe snapped off the back of it and flooded the place. It was connected to the pipe on the right. It had a stopcock on it identical the the blue circled one, but turning it wouldn't shut the water off so it...
  20. N

    Worcester Bosch 8000 Life 35 to replace High Flow 400

    Hi.. Advice please regarding a new Worcester Bosch 8000 Life 35 for a 4 bed detached with ensuite and currently powerful shower which is great. We currently have an old High Flow 400 . I understand heat output will be the same on a 40 / 45 / 50 model but will the 35 be sufficient especially...
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