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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. 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
  2. M

    Distance between pipes in certain scenarios

    Hi, Having wet underfloor heating put in and been doing some reading, think pipe spacing is going to be 200 but read somewhere 100 from walls & sliding doors/bi-folds - is that correct ? What distance would people recommend from kitchen units ? I have a run against one wall and then a 1200...
  3. B

    Can old redundant radiator pipes be used to feed water supply to new gas boiler ?

    Hello all. I'm new to this forum and need some advice about some concerns about a new gas boiler that I have had fitted by a gas safe engineer. My old boiler was a heat only (with a copper tank) and has been replaced by a modern combi boiler. It just used two 22mm pipes to feed to the diverter...
  4. C

    1990 FL house, split plan, pvc pipes. Grey water backup @ master tub.

    Hello. I have lived in this circa 1990, split floor plan house in FL for 23 years w/ no plumbing problems. Recently, slight amounts of grey water sporadically back up in the master tub. Timing is unknown—never actually see it happen, however the dirty evidence is there. Plumber has used...
    • CCGriff
    • Thread
    • america backup grey house master pipes pvc split usa water
    • Replies: 4
    • Forum: USA
  5. K

    How to tidy up waste pipes to make space for bin

    Hi, first post here so hoping all the experienced plumbers out there can help! My house was built 12 months ago and the location of the waste pipes under the kitchen sink take up a lot of space. I was hoping to fit a bin in the sink cabinet and during construction when the kitchen went in I...
    • Kam_61
    • Thread
    • america australia make pipes space sydney usa waste waste pipes
    • Replies: 6
    • Forum: USA
  6. G

    External pipes below ground level

    Hi not sure if this is the correct place for this, but does anyone know what these pipes are around 1foot below ground level, not sure if it’s tied in with the house plumbing system in any way at all. My property is only below ground level at one side as each house in the street is on a slope...
  7. S

    Continuous noisy pipes and water tank + huge water leak

    Hello, Three days backs, the pipes in my flat next to the hot water tank banged violently for a few seconds (water hammer?). Since then, the water in the pipes is creating a whooshing sound that comes for a brief period when the toilet is flushed or tap is used. In addition, the cold water...
    • surrey9211
    • Thread
    • america cold water tank leak leakage noisy noisy pipes pipes tank usa water water leak water tank
    • Replies: 14
    • Forum: USA
  8. C

    Loud Noise in rainwater pipes

    Hi, I live in a 10 storey block of flats on the ground floor and inside some walls of my flat are rainwater pipes that run down from the roof. Couple of months ago I started hearing a loud bang in the walls where those RW pipes are hidden whenever it rains heavily. The building manager sent a...
    • Cinnamon21
    • Thread
    • america loud noise noise pipes rainwater usa
    • Replies: 4
    • Forum: USA
  9. L

    In multilayer pipes, why is there a 25mm and a 26mm?

    Hi. I'm plumbing an old house in Spain (Among lots of other work!). I'm going to use multilayer pipe of varying sizes but when looking there is a 25mm and a 26mm. Can anyone tell me why?
    • lotstodo
    • Thread
    • america pipes usa
    • Replies: 1
    • Forum: USA
  10. gb17342

    change radiator pipes from 10mm to 15mm

    Hello, I need to replace a radiator and want to change the current 10mm pipe in to the radiator with 15mm pipe. I have access under the floor so no problem to change the 10mm that comes off the 15mm hot water feed. If I change just one radiator to 15mm and leave the rest of the radiators as they...
    • gb17342
    • Thread
    • 10mm 15mm america change pipes radiator usa
    • Replies: 4
    • Forum: USA
  11. gb17342

    Identify these pipes?

    Hello, anyone know what these pipes are? I'm guessing the black pipe could be iron or lead gutter pipe as it goes in to what seems to be a gutter down pipe (the down pipe is next to the soil pipe and is slightly smaller so presume it's the gutter pipe). However it seems to be around 50mm wide...
    • gb17342
    • Thread
    • america identify pipes these usa
    • Replies: 3
    • Forum: USA
  12. M

    Banging water pipes when my neighbour open cold or hot water taps

    I just rented a top floor flat which is a roof conversion built only 10 years ago and after moving in, i found out that inside the largest storage eaves, there is a communal water tank which serves only the 6 other flats below except mine . I already has few issues with the tank noise which has...
    • Michy18
    • Thread
    • america banging cold hot hot water neighbour pipes taps usa water water pipes
    • Replies: 2
    • Forum: USA
  13. L

    Chipping in radiator pipes

    Hi, hopefully someone can help! Am I able to chip radiator pipes into a chimney breast wall? Thanks any help appreciated!
    • Laura279
    • Thread
    • america pipes radiator usa
    • Replies: 1
    • Forum: USA
  14. R

    New rad sits out 10mm more than old pipes. Any solution?

    I'm trying to put in a new rad. But the rad sits about 10mm further from the wall than the old pipes come out of the ground. I've tried taking away a bit of tile to push the pipes back but they are locked in place. What I probably need is a copper pipe with a very small, 10mm, bend in it...
    • ricedarren
    • Thread
    • 10mm america new old pipes rad radiator advice radiator installation solution usa
    • Replies: 3
    • Forum: USA
  15. I

    method statement

    hi there, i have started my gas engineer course and so far really enjoying it, pipe bending and soldering are a little messy 😆but i got material to practice at home so hopfully neaten all that up. We have been asked to write a mission statement for tightness testing but the instructor hasnt...
  16. M

    Mystery pipes - can anyone work out what they are for?

    My son has just moved into a ground floor flat in a five-storey mansion block in London, built in about 1905. The bathroom is being renovated and he has found two old pipes, one around 4 inches (I think) in diameter, the other a bit smaller, that are a mystery. They come down from the floor...
    • Mike F London
    • Thread
    • america anyone mystery pipes usa work
    • Replies: 3
    • Forum: USA
  17. K

    Black plastic water pipes

    Hi all. Hope I’m posting in the right place! I have a leaking water supply pipe in my house which is an unfamiliar type for me. It is a black plastic pipe with glued joints about 15mm diameter, which supplies our upstairs bathroom. See photo. the house was built around 1971 but there have been...
    • Kilcar
    • Thread
    • america black pipes plastic plastic pipe usa water water pipes
    • Replies: 6
    • Forum: USA
  18. plumbingdoctor

    What are the right types of pipes to be used in underground piping?

    Hello guys Any thought I installed underground pipes assume any code requirements in installing a pipe when the frost gets deep in winter. I'm using a PVC
    • plumbingdoctor
    • Thread
    • america pipes piping plumbing right types underground usa
    • Replies: 2
    • Forum: USA
  19. I

    Blocked pipes whats the best way to go about this?

    Gurgling sound from basin when shower running, and water seems to be backing up shower when basin running a while. Shower running slow and when using a basic plunger on it backing up a lot of waste. Bottle trap cleaned out and part of the pipe work. Should i install a bottle trap with...
    • Illuminate
    • Thread
    • about america blocked pipes usa whats
    • Replies: 1
    • Forum: USA
  20. M

    Insulating UFH pipes in wall

    Hello, Plumbers have just installed these pipes on brick wall - UFH hot water flow and return. The plasterer is coming on Friday to make the wall good - would welcome some advice on whether an expanding foam or some kind of insulation should be used before the plasterer makes good. Happy to...
    • Mrmikemaynard
    • Thread
    • america pipes ufh usa wall
    • Replies: 9
    • Forum: USA
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