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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

    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
  2. R

    Loud vibration in pipes

    We have loud vibrations in our pipes. It happens when either of our showers is used about 10-20 seconds after the shower is turned off and stops after 5-10 seconds. It is very bad in the morning and gets better through the day. By late on the day it doesn’t really happen. There is a shower pump...
    • Riverman
    • Thread
    • america pipes usa vibration
    • Replies: 7
    • Forum: USA
  3. P

    Run pipes behind boiler

    Hi, I have an old traditional gas boiler (two pipe, fully pumped system, if that matters) sitting on the floor and touching the wall, as from the first pic. The second pic zooms in on a hole the boiler has in the rear, leaving a gap with the wall. I am planning to run two 15mm copper pipes...
    • phloaw
    • Thread
    • behind boiler copper pipes gas boiler pipes regulations route safety
    • Replies: 2
    • Forum: Central Heating Forum
  4. S

    Connecting pvc pipes?

    After I cement my pvc pipe to its pvc connector, is it normal for there to be a small gap between the edge of the pipe and the indent in the connector? It's like 1/4" between the two. I mean, they are stuck and I can't pull them apart, but should it be better?
    • Sethd2005
    • Thread
    • america connecting pipes pvc pvc pipe usa
    • Replies: 10
    • Forum: USA
  5. G

    How can we find/fix leaking pipes when the pipes are set within a concrete floor

    We have had a long term problem with damp in our bungalow which exacerbated when we changed from the use of a system boiler (with pressure only from a tank in the roof of our bungalow) to a combi boiler (with full mains pressure) and a major leak was then found and dealt with. (This leak had...
    • Greg
    • Thread
    • america concrete concrete floor floor leaking pipes usa within
    • Replies: 5
    • Forum: USA
  6. M

    Combining pushfit waste pipes

    Is it OK to combine osma, polypipe and floplast push fit waste pipe? I. E polypipe fittings and floplast pipe. Different merchants sell just one of the above. So I tend to end up with bits from different manufacturers. I presume its OK. I'm sure I have before and never had any issues. Just...
    • Matt0029
    • Thread
    • america pipes pushfit usa waste waste pipes
    • Replies: 6
    • Forum: USA
  7. S

    Re arranging waste pipes

    currently working on my bathroom refurb and am after some advice on how best to go about re arranging the following: Starting from the top: The sink waste is solvent welded but i can reuse it in its current position I want to move the toilet to the adjacent wall so id need to move the...
  8. R

    Hammering pipes

    Hello all This is a new installation a friend of mine has just had completed in her cafe. She can't contact the plumber who did the job for some reason. Not picking up. It's only a week old. He has just fitted a sink in a part of the cafe and the pipes are hammering like hell when you turn...
    • RayPooley
    • Thread
    • america hammering pipes usa
    • Replies: 4
    • Forum: USA
  9. D

    mains water pipe be run through an integral garage?

    Can a mains water pipe be run through an integral garage? It's to feed a washing machine used 2-3 times a week. Is there a risk of the pipes freezing?
    • Diyhomerenovator
    • Thread
    • america freezing garage machine mains pipe pipes through times usa washing washing machine water
    • Replies: 1
    • Forum: USA
  10. W

    Are these pipes acceptable?

    We had a leak from our boiler which meant I had to take up the flooring. This was a bathroom, but we want a utility room, so will be putting in the washing machine. I don't know if these pipes are accetable though? We need the water feed (on the left) and the pipe for the waste (you can see on...
  11. M

    10mm Heating pipes - lagged in loft?

    Hello, 10mm copper heating pipes in loft were lagged with felt. Have extended the pipes with plastic. I I an assuming that plastic 10mm pipe in loft space should be lagged as it can still freeze. Do I just use felt wrap? What do you guys do with plastic 10mm heating pipes in loftspace? Thanks...
    • Mdljk
    • Thread
    • 10mm america central heating system heating loft pipes usa
    • Replies: 2
    • Forum: USA
  12. r1k1n

    Advice needed about cold water copper pipes sweating

    Hello there guys, We've recently discovered (after a drop of water hit my brother on the head!), that a cold water copper pipe is sweating. We thought it might be a leak but have only seen droplets of water on the pipework and after some research have deciphered that the pipe is sweating. The...
    • r1k1n
    • Thread
    • about advice america cold cold water copper copper pipes needed pipes sweating usa water
    • Replies: 4
    • Forum: USA
  13. E

    Air in pipes?

    For years now probably decades we have experienced intermittant noise, loud humming, in water pipes. The noise may go away for weeks at a time and then come back with a vengeance. Given up trying to get someone to take a look as it doesnt do it to order although Water Authority did take a look...
    • einhorn
    • Thread
    • air america pipes usa
    • Replies: 3
    • Forum: USA
  14. B

    Where to position CH pipes under groundfloor suspended floor

    I am about to insulate a suspended timber groundfloor in a 1930s semi. The joists are 2"x5" with about 400mm of air space below. The pipes currently run below the floor, and the pipework is a mess, with very little insulation. As I need to reroute pipes anyway, am I best running them between the...
    • bwt
    • Thread
    • america floor pipes position undefloor under usa where
    • Replies: 11
    • Forum: USA
  15. M

    Exposed pipes - a query

    Hello all I have recently purchased a property and now starting to slice up the various jobs into DIY vs get a professional in. Given the likely disruption, one of the early tasks I want to address is the exposed central heating pipework that effectively does a full loop around the first...
  16. M

    Copper CH /water pipes in concrete floor/walls

    Could anyone point me in the right direction. I had a complete plumbing install at a property I was renovating, the CH and plumbing was commissioned in Oct 20. Over the last 2 weeks we noticed the boiler (ATAG Combi) losing pressure and requiring refilling, this became more frequent, most...
    • Matt69
    • Thread
    • america concrete copper pipes usa
    • Replies: 7
    • Forum: USA
  17. E

    Running pipes above boiler - air trap?

    Hi We installed a combi boiler in an upper flat by taking the pipes up (above the boiler) and into the loft, and then dropped them back down to the radiators in 3 different rooms (as opposed to the normal method of running the pipes under the floor beneath the boiler which was not possible in...
    • Ehy352
    • Thread
    • above air air lock america boiler boiler fault central heating system f75 loft pipes running trap usa
    • Replies: 4
    • Forum: USA
  18. S

    very bad grumbling noise in water pipes at night

    hi all, can you suggest what is wrong with my water pipes they all make a loud grumbling type of noise at night at random times. my hot water and central heating is off at night and not being used. i had a plumber call round yesterday but he said he does not know what the problem is. i said i...
    • saffron
    • Thread
    • america night noise pipes usa water water pipes
    • Replies: 5
    • Forum: USA
  19. PhilCSwift

    Best way to lay rad pipes through a wide chimney breast

    It's an old nunnery with massive breasts! 3 floors and basement. Chimney had 6 fireplaces feeding it. As I am 1st floor (English)/2nd floor (USA) I have a wide breast with 2 blocked off fireplaces. The firepace flues from below run up through and into the flat above and on through the loft to...
  20. J

    CH pipes creaking for hours after heating turned off. Any ideas?

    Hi, recently moved into my first house and am fairly new to DIY. I've been experiencing issues with banging and creaking central heating pipes since I moved in. I've now lagged and secured piping wherever I can access it which has fixed the issue to some degree however fitted wardrobes are...
    • Josh95
    • Thread
    • after america central heating system heating hours ideas pipes turned usa
    • Replies: 3
    • Forum: USA
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