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plastic

  1. G

    Replacing section of cast iron stack with plastic

    Hi. I am installing a downstairs toilet. My existing stack is cast iron. I don't really want to replace the whole stack so I'm hoping to to replace a small section at the bottom with a plastic t section. My question is if I chop the section out and replace with the plastic t, would it still...
  2. C

    Urinal Plastic Waste

    Chippy by trade, was tasked with renewing wastes and traps. However, I'm confused to how to fit these wastes, I dont suppose it makes much difference, but what is the CORRECT way? The old wastes didnt have washer, just masses of silicone used. Thanks 1) With Washer to bottom of urinal pan...
  3. R

    Plastic or copper? which is best?

    Just wondering what you plumbers out there prefer - plastic or copper?
  4. N

    Replacing central heating plastic pipes

    Just trying to obtain some advice.I need to peplace the plastic pipe work which is under the screed in living room,as despite chemicals and powerflushing they are still blocked. They seem to be clad in the grey foam type insulation,from what I can see,with copper rad tails.Has anyone tried...
  5. B

    10mm plastic to feed kitchen sink

    I concentrate on boiler and heating repair but I'm doing a first fix on a kitchen to keep a landlord sweet. The kitchen is a total rip-out and is back to bare bricks. I'm fitting a new combi boiler. Just want someone to confirm if it's ok to run the hot & cold in 10mm plastic to the kitchen...
  6. P

    plastic pipe stuck inside copper nut & pipe

    Advise urgently required! Whilst swapping over the filling valve in my toilet cistern the old plastic pipe thread has snapped and got stuck inside the copper nut and around the copper pipe ( hope this makes sense, have look at the attached photo ) Any suggestions to getting them separated? I...
  7. B

    Water trickling through black plastic connector between two pipes coming from a water pressure tank

    Hello, I’m looking for some advice on water dripping between two pipes coming from a water pressure tank. I’ve attached photos to try show the problem. Basically there’s a steady trickle of water visible through the black plastic connector between the two pipes. I guess it’s also connected to...
  8. N

    How deeply are plastic central heating pipes usually under screed

    Despite powerflush new lockshields,and trv's still one rad not heating.I took it off and checked flow and return.Good from return but just a drip from flow end.I feel it is blocked underfloor plastic pipe.Just wondered how deep they are usually laid.-house approx 20yrs old appreciate any rough...
  9. eleguj

    Condensate - Plastic tray, normal practice?

    I recently had a new boiler fitted into my flat and have some concerns about the solution provided for condensate. When the job was first scoped out I was told that a pipe would be run outside to deal with the condensate, which would be a challenge because of the property but doable. I stuck...
  10. M

    Plastic and copper pipe sizing

    I am going to replace hot and cold 15mm copper pipe with a plastic system. The hot water is from a combi boiler and the cold water pipe is at mains pressure. The pipe lengths are about 10m each. Looking at the internal bore of 15mm plastic pipe, it’s much smaller than 15mm copper. To ensure...
  11. J

    Incoming mains black plastic pipe to 15mm copper

    Hi. Have a mid 1980’s house with the mains water coming in from underground via a black plastic pipe, of which the external diameter is 27mm. There does not appear to be any markings on it, but maybe some faint green. This goes into a 15mm copper pipe via a stop tap with compression...
  12. E

    Jointing Compound On 15mm Plastic To Brass Compression Fitting?

    I'm a fan of jet lube (or the much hated - boss green) on all copper pipe to brass compression fittings. However, should jointing compound be used around a copper olive on plastic (i.e. speedfit) to brass compression fittings (e.g. plastic running into concealed shower valves, wall elbows, etc)...
  13. B

    can I power flush with plastic pipes in central heating

    Hi all can you power flush a central heating system which contains plastic pipe. I have copper just under the Combi boiler then 22mm/15mm plastic pipes then copper to radiator tails many thanks
  14. S

    Water Flow dramatically changed taps full of blue plastic HELP

    Hi, Home had VERY low water pressure or flow before. Had a pipe or joint burst where our feed comes into the house, via old iron pipework. We got someone out to fix it. They found a rubber washer jammed inside a plastic joint where the iron or lead pipe from outside met the copper pipes below...
  15. B

    Split in Hepworth in line plastic connector

    I noticed a split had occurred in the centre of a in line connector, (orientated towards the top to bottom of ends) one end was connected to 15mm plastic pipe and 15mm copper at the other. The pipe work was connected to the water feed pipe into a water tank in the loft. I traced the other end...
  16. S

    Toilet coupling guidance rge plastic screws

    Could you guys part some of your wisdom for me, my daughter has moved into a house and the toilet inlet float is just catching the side of the cistern and sometimes does not fill. The inlet is the type where the float runs up and down the inlet mechanism. If I need to uncouple the cistern from...
  17. J

    Anyone seen one of these plastic couplers on WC before?

    Hi everyone, I'm in the process of fixing an old Twyfords WC. It is a close-coupled model, though with an unusual plastic elbow between the cistern and pan. See pics. Anyone know if/where I can get a new elbow? Thanks for your advice, Jennie
  18. D

    Differences between plastic push fit brands?

    Hi all, I’m about to embark on a small domestic plumbing project (moving 3 rads + 1 new) and just wondering what your experienced views are around the differences between the main plastic push fit brands available? Speedfit, Hep2O, Polypipe etc? They all seem the same to me apart from slight...
  19. O

    Designer radiator with microbore plastic piping

    Hi everyone. I've started renovating our cloakroom and have decided to opt for a designer radiator (Milano Aruba - White Horizontal Designer Radiator 400mm x 415mm). The valves for this (Milano - Minimalist Chrome Angled Radiator Valves (Pair)) are for 15mm pipe but I've got 10mm microbore...
  20. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Hi, I have a large three storey cold Victoria house and I'm having an extension being built which adds a large amount of additional volume to heat. The new space will be UFH and the existing heating system zoned to upstairs and downstairs. The entire heating system is a single zone in 22mm...

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