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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

    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...
  2. 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...
  3. 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...
  4. Muskopia

    What to do with my CH 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...
  5. 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...
  6. 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...
  7. omendata

    Blocked Cold Water Tank Pipes - Doing my head in for over a year

    Ok I have been dealing with this problem for over a year and finally have to ask for some help as backflushing every 2 weeks or so is getting very tiresome. I live in a 60's flat (3 flats per side of the block so 6 flats in all) with two overhead water tanks in a tankhouse on the flat roof for...
  8. M

    Bathroom renovation - waste pipes

    Been researching as much as I can and think have a good gist about recommended waste pipe sizes, types of bends etc so now just looking to fit the most efficient system (but also looking to minimise drilling through stone work). Essentially the old setup had the shower and bath running...
  9. C

    Toilet replacement - need advice

    Might be a very silly question, but have an old cistern toilet. Connects to the pipes as follows(see pic) - want to know if I can do a like for like replacement with any toilet type, or I'm limited for options. Reason for changing is that toilet is getting blocked every 2-3 months - no issues...
  10. T

    Pipes making noise even when central heating is off

    We have a Grant condensing oil fired boiler in good condition and four years old. Sometimes after a period of use when the central heating has been on, we can hear a rhythmic sound from the pipes and the boiler is not firing up as it should Leave it for a while and turn up thermostat and it...
  11. R


    Hello we are currently doing our living room, it is back to plaster no skirting etc.. our current radiator has pipes on show down the wall and along the skirting. but we'd like to chase them into the wall and change the radiator roughly for a similar size. Should we chase them in exactly how...
  12. A

    Pipes vibrating when shower, toilet, washing machine used?

    Hi We have had an issue with our system for a few weeks now, the pipes judder and vibrate behind the wall, where the bathroom sink is. We have had a Megaflow system taken out and replaced with a Combi this week, and I had expected the noise and vibration to go aware. Its kind of got worse...
  13. S

    Saniflo water goes back in and repumps to loud banging in pipes

    Hello, I have had a Saniflo PRO XR for three years. Still under warranty and I put cleaner/descaler every three months. It is used once or twice a day. The first year there were no problems. Then it suddenly started to go off intermittently during the night. I took out the Elbow where the non...
  14. G

    Corroded pipes new build

    Recently I began to smell damp in my boiler cupboard. I can see there is a lot of blue and white corrosion on the copper pipes and I can see they are slowly dripping. On looking at the cupboard under the kitchen sink - same thing. Pipes very blue and corroded with slow dripping. The house is 4...
  15. Muskopia

    Supporting speedfit pipes under 1st floor floorboards

    Hi. What would you recommend for pipe support whilst running 15mm central heating pipes parallel to floor joists? My idea is to screw wood supports perpendicular to the joists and clip the pipes to the top, or, screw-in wood supports with 22mm holes and pass through the pipe. When the pipe...
  16. J

    To insulate both hot and cold pipes?

    Hi all, I just learned the external pipes for boiler system should be insulated especially in loft and garage as they are in very cold area. I checked my loft and found some pipes are insulated but others are not! I think it is because the insulated pipes are from previous owner's, since I...
  17. Barisk

    I need infor about these pipes

    Hi , I was going to install an outside light when i got onto leader i seen pipes cracked and cut , I’m not sure what these pipes are for and still in use. Does anyone know if they need to be replaced please? The crack is below light
  18. A

    Capping old hot and cold pipes

    Looking for some opinions on whether you should cap old hot and cold water pipes. A plumber I got to remove some old sinks from bedrooms has capped off the hot and cold pipes under the floor. I thought it didn’t quite seem like the best thing to do and thought he would completely remove the...
  19. Frankey

    Platic pipes near radiators

    Hi guys. I'm getting the radiators installed in my property now and I'm struggling between plastic and copper pipes to radiators. I've asked 2 plumbers and they said opposite opinions. The first one said only copper pipes is allowed into radiators, and the second plumber agreed to install...
  20. A

    Banging Pipes, blowing off joints HELP!

    So house 4 years old. In that time had 7 pipes burst. Builder fixed first one, blaming cylinder not being serviced. Over the 3 years another 2 went. Builder not interested as out of 2 year cover. Nov last year another went. Plumber came and fixed, said looks like shoddy installation. No sooner...