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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. M

    Help with humming pipes with communal boiler

    Hi all, I live in an old building with a communal boiler and central heating. The communal boiler is located in a small plant room and serves 8 appartments. The pipes are making a humming noise and 2 radiators make a constant whistling noise. The management company tells me that the pipes and...
  2. S

    Are these ugly pipes supposed to show so much?

    Please can someone advise me? The builder finished creating my new-build wetroom yesterday. I was disappointed to see the water pipes so prominent and noticeable. So I looked online at similar installations and the water pipes never show in any photo, only the waste. My questions are: Has...
  3. C

    Chasing water pipes into the wall - opinion

    I apologise in advance that this might not make sense or be full of silly/obvious questions, but I am a novice at all this! We have recently knocked through from our kitchen to a new extension to create an opening. Various things have been moved from the wall that was knocked through, including...
  4. K

    Distance between Hot & Cold pipes?

    Hi all, I was just wondering when running hot and cold copper pipes side by side is there a minimum distance they should be apart according to regulations? Thanks P
  5. Old house

    WHAT CAN I DO WITH THESE PIPES IN LOFT - Survey says DIY standard?!

    Hi All Newbie so please bear with. We are selling our old house - built 1880. The purchaser has shared their survey report which states that the pipe work in the loft is of DIY standard. This was done before we bought house 10 years ago, and everything works fine but obviously I have to try and...
  6. B

    ADVICE-40mm waste leaking ceiling. Pipes at angle/undefeated pressure?

    Hi I fitted a bath/shower 12 years ago and a few months ago it developed a leak. It was basically at a coupler on 40mm solvent where my new white PVC joined the existing grey PVC. I cut a hole in the ceiling and could also easily view it with the bath panel off but not access it from there...
  7. F

    32 Ideal Vogue Max - reduce pump speed? (noisy expanding pipes)

    Hello all, At the start of the year I had a 32 Ideal Vogue Max fitted and all was well, it's working fine. Problem is, I was getting floors done at the same time so I had a very limited time to notch out / felt between the pipes & joists. I thought I got them all but, I didnt and the noise is...
  8. O

    Tee 15mm pipes from 15mm pipes for CH

    Hi all, I need to fit a new rad but the location of it has an obstruction. I initially wanted to tee from the 22mm pipes but right beside them and in between my new rad and the 22mm pipes are two 15mm pipes heading to another rad. I'm a DIY'er and trying to keep my joints to a minimum, I'm...
  9. D

    Insulation on chased-in pipes

    HI Plumbers, I need some advice on our chased-in pipes. We had plumbers tell us an array of different things. Questions: 1) Do copper pipes need insulation? 2) if so what type? 3) Do Pex pipes need insulation? 3) if so what type? I know they have been done already but I'm going to...
  10. judebea

    How to connect two pvc pipes small space

    Help needed for a DIY-er. I lifted my floorboard one night at 2am after a month of not knowing where my leak was coming from. I've numerous holes in my living room ceiling and had 3 different plumbers out from different companies unable to find the problem and all charging me for doing other...
  11. D

    Pipes that run through bedroom and need rerouted

    Hi folks. I have 2 pipes that run through my bedroom that are boxed in by skirtings. Both these pipes come from the boiler that sits in a cupboard in the kids bedroom and run roughly about 20 feet around the room and then go through the wall to the bathroom. Both are copper pipes. I have been...
  12. M

    How to tidy pipes knot?

    Hello everybody! Yesterday i have replaced old radiator at my mums house into new one, old one was single panel radiator, she wanted two panels radiator. All looks good, apart from one thing, and i need your help guys as proffesionals. How to tidy up pipe knots? The way they run i cant think of...
  13. D

    Might have cowboys in my house

    So I've changed pedistall toilet for a wall hung Abacus toilet in my WC. The water connection is what I'm worried about as the two builders have different skillsets. The washing machine waste pipe in the next room also comes through the wall to the toilet waste (you'll see in the pic but this...
  14. A

    Plumbers refuse to locate underground irrigation system pipe leaks?

    Hello. Why do many plumbers refuse to locate underground irrigation system pipe leaks in an almost 2 acres hilly rural land? Others and I can't find the underwater leak(s) even though we know it's on the irrigation system's side after shutting down its main major pipe since water meter slow...
  15. J

    Have my water pipes been plumbed the wrong way?

    Good morning, I recently had an extension, new bathroom and new en-suite fitted. Prior to the works the hot water worked. Now we have moved back we have no hot water. British gas came for 5 hours on saturday and replaced every single part of the boiler to do with the hot water as well as the...
  16. Muskopia

    Chasing CH pipes using speedfit

    I'm chasing some walls and using speedfit for pipes to the radiators. I'll be using conduit and want to transition to copper ends which will connect to the rads. Can I bury the speedfit fittings (elbows etc)? What are the options for pipe exiting the wall and connecting to the rads? Do I...
  17. Muskopia

    What to do with my Central Heating pipes in this scenario? *Help*!

    Hi. This is part of a narrow L-section of an upstairs bathroom in a house I'm renovating. The toilet sits here. I forgot to take a pic whilst up there, so I've drawn a diagram. Black = walls Brown = joists Blue = CH pipes (hopefully) - they're already notched in this location but unused. I...
  18. B

    Do my CH pipes look right? Getting frustrated now!

    Hi all, I've had F23 error on my Vaillant ecofit pure because of CH system. My rads are not heating up properly. I've replaced the 3 way mid position valve, and taken the head off the Grundfos UPS2 and cleaned out the impeller. I've run Sentinel x400 for 4 weeks now, prior to this I drained...
  19. E

    Drain flies in saniflo pipes

    We have a saniflo system in our loft bathroom. We believe we have drain flies in there (probably from not using the shower for a month or so as we were all using the one in our main bathroom). Does anyone have any advice on how to get rid of them as there is always standing water in the pipes...
  20. S

    Undersized heating pipes??

    Hi guys, hope I can get some advice. I’m a gas safe engineer , working on a central heating issue, so I hope this in the the correct forum?? I was called to a job, where the customer has been having issues with the heating not working correctly and certain rooms not heating up. The customer...
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