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pipes

PIPES is the common name for piperazine-N,N′-bis(2-ethanesulfonic acid), and is a frequently used buffering agent in biochemistry. It is an ethanesulfonic acid buffer developed by Good et al. in the 1960s.

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  1. V

    Expanding foam around pipes?

    Hi all, I really hope I can get an answer from you lovely people! I currently have a bit of a mouse problem, and it seems that they are getting in to the cupboard under my kitchen sink through the hole where my hot and cold water pipes enter the cupboard from under the floor, or where the waste...
    • Vikki B
    • Thread
    • america around mouse pipes usa water pipes
    • Replies: 6
    • Forum: USA
  2. S

    How to fix shower bar with only 10mm exposed 15mm copper pipes?

    Hi Guys, Seeking advice. I have a Triton Combi HP (8000/9000) mixer shower, which is giving thermostatic and cross flow issues. I can confirm cold back flowing into hot, because the hot feed is ice cold. I have 3 of these identical showers, and the hots are much warmer than the colds on the...
  3. J

    Noisy hot water pipes and low pressure

    hey guys Ive had a problem where my hot water (solar), has had very low pressure. Ive just had a plumber check this problem out and he ended up replacing mixer (tempering valve), which has improved pressure a lot. But now on a hot sunny day, the pipes vibrate badly and pressure is low, then come...
    • Jaymuss
    • Thread
    • america hot hot water low pressure noisy noisy pipes pipes pressure usa water water pipes
    • Replies: 0
    • Forum: USA
  4. L

    Capping off two copper pipes

    Hello.. Need to cap off two copper pipes...the problem is getting access to a straight piece of copper to do a successful cap, see pictures. I always prefer to solder. The floor is reinforced concrete and I would rather not get the power chisel out.. The pipes coming out of the floor are...
    • Le Rouret
    • Thread
    • america capping copper copper pipes pipes usa
    • Replies: 10
    • Forum: USA
  5. plumbobuk

    How to run and insulate pipes under suspended floor

    After a CH install I've lifted the floor boards to find the central pipes unsecured and not insulated. The pipes are not even run next to anything to be secured to, and the access to the crawl space has been blocked with pipes. What's the best solution here. Should I rerun the pipes and clip...
    • plumbobuk
    • Thread
    • america floor insulation pipe clips pipes under usa
    • Replies: 7
    • Forum: USA
  6. P

    Chasing radiator pipes through joist and wall

    Hi all, hoping there are answers out there to my small dilemma. A customer of mine wants 15mm radiator flow and return pipes chased into the block wall and pop out down the bottom. Problem is the joists are close to the wall so to start the chase in the block i will have to notch out the joist...
    • Plumb Tidy
    • Thread
    • america chasing joist pipes radiator through usa wall
    • Replies: 1
    • Forum: USA
  7. T

    Hi, question about chasing pipes into wall

    Hi, I’m not a plumber by trade but needed PVC pipes chased into wall which I’ve done but the plaster has said they need to be chased deeper because the heat might effect the plaster. But it’s a internal wall so theres only so deep I can go, so is there anything I can put over the pipes so I...
    • TomAng467
    • Thread
    • about america chasing domestic pipes question usa wall
    • Replies: 2
    • Forum: USA
  8. J

    What pipe is this? Sink

    Quick question about sink pipes... The hot and cold come from pipes behind the neck of the sink. All the water goes out the waste. What's the bit circled in green for?
    • JackWN
    • Thread
    • america pipe pipes sink usa what is it
    • Replies: 3
    • Forum: USA
  9. D

    Are 15mm inlet pipes okay for this?

    Hi all. I'd appreciate if anyone can tell me whether this shower will work with the two 15mm pipes (150mm centres) I have coming out of my wall? Thanks. https://victoriaplum.com/product/mira-realm-erd-thermostatic-mixer-shower
    • daveok77
    • Thread
    • 15mm america inlet pipes usa
    • Replies: 4
    • Forum: USA
  10. 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...
  11. P

    Dead leg problem? Outside tap removal, but pipes are underground...

    Hi all Got a very old looking outside tap at our house which is not in use. A plumber is visiting soon to do a bathroom refit, and whilst here will remove the tap and cap it off. I asked whether this would cause a problem with a "dead leg" and he said no, but I want to check with you guys...
    • Plumb Line
    • Thread
    • america outside outside tap pipes problem removal tap underground usa
    • Replies: 4
    • Forum: USA
  12. Rosie55

    Type 10 rad to type 22 - pipes don’t match

    I’ve just replaced my radiator, from an old 104cm type 10 to a new 100cm type 22. On one side the pipes connect to the valve fine. The other side - the radiator is around an inch from the wall and pipe. How do I connect the valve to the inlet? I cannot move the pipe as it comes from a concrete...
    • Rosie55
    • Thread
    • america pipes rad radiator radiator advice radiator installation radiator valves radiators usa
    • Replies: 2
    • Forum: USA
  13. MancAnt

    Banging Rattling noise Boiler or pipes nearby?

    Hi all as per the topic...... whenever I turn on just the hot water tap in the kitchen...let it call for heat and heat up the water then turn it off, as u turn off tap I get the noise form where the boiler is located (upstairs airing cupboard). Happens half way through the video...any ideas??
  14. Cavcaptor

    Noisy radiators and pipes

    Hi all, Hoping for some help as this is driving us bananas! My wife and I moved into a new home 6 months ago, and this is our first home with gas central heating. We have a Worcester combi boiler, three radiators downstairs (including the one with no temperature valve), 3 upstairs and one...
  15. bikerchris

    Are evacuated tubes / solar pipes worth it for heating an outbuilding? (UK)

    Hello all, I hope you can help, I don't know any plumbers and just wondered about an idea of mine, it might not be do able for good reason! I built a 6 x 3m outbuilding a few months ago for myself in the garden, me and wife wanted an office to work in when needed, mainly her (labourer). This...
  16. D

    Noisy vibrating pipes!!!???

    Hi please could you help? could you listen to this video of a tap problem https://youtube.com/shorts/sJDt2nRTwCU?feature=share We have this exact noise and vibration coming from our taps do you know what's it likely to be? Air in pipes or pressure causing it etc? the noise is horrendous 🤦😏
    • Deleted member 123838
    • Thread
    • america noisy pipes usa vibrating
    • Replies: 2
    • Forum: USA
  17. 0

    Limescale in pipes

    Hi. I have had a significant build up of limescale in the pipes taking old water from the shower / bathroom sink and sewage from the toilet. This has been clearer by plumbers using a Picote and directly accessing the pipes externally. The drainage engineer said that now that the limescale has...
    • 04jransomp
    • Thread
    • america drainage limescale pipes usa
    • Replies: 8
    • Forum: USA
  18. P

    Have you ever seen mice have a nibble on vertical plastic pipes?

    Hi folks We live in the sticks and sometimes have mice in the house. I even saw a stoat once in the loft! Most of our pipework is copper, but there are a couple of bits that are plastic which I'm going to have changed to copper while the plumber is here doing other work. It's not worth the...
    • Plumb Line
    • Thread
    • america pipes plastic usa vertical
    • Replies: 2
    • Forum: USA
  19. G

    Please can someone tell me what this stuff in my pipes is??

    • G_84##
    • Thread
    • america pipes please someone stuff usa water pipes
    • Replies: 15
    • Forum: USA
  20. D

    Leaking waste pipes under kitchen sink

    Hi - Novice here. Under our kitchen sink, the waste pipes are grey, with a green moving 'lip' and then a cover peice that in theory tightens over the connection. The two downward pipes from the sinks go into a cross pipe (along with the washing machine outflow) which then leads outside. However...
    • daves61
    • Thread
    • america kitchen kitchen sink leaking pipes sink under usa waste waste pipes
    • Replies: 16
    • Forum: USA
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