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plastic

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  1. P

    Repairing plastic pipe.

    The central heating in our house has been installed using 10mm Speedfit Barrier PB pipe. I think there is a leak in the pipework behind some plaster board (dot and dab) as there is a damp patch on the plasterboard (looks like a nail may have been put through it). If it is a nail hole, I guess I...
  2. E

    Least Bulky Plastic Fittings

    Hello, I want to extend a radiator using either PEX or HEP20 pipe, which type of pipe has the least bulky fittings as I need to fit under floorboards.
  3. Scott_D

    BTUs and 10mm plastic pipe

    Does anyone have any information on how many BTU 10mm plastic can carry? Thought there might have been a chart or graph to show length of pipe vs BTU it can carry but im struggling to find anything. Maybe because its depends on the pump? Its for HEP20 pipe and there is nothing in their...
  4. RobG

    Kitchen sink pipe work - plastic nut sheared

    Hi, still very new to this forum - this is my 2nd posting. Please help if you can. I am replacing round head taps with lever taps (am recently retired and have too much time on my hands!) and have fitted a new hot tap no probs. The cold tap has slightly different pipework - a white plastic...
  5. M

    Plastic pipe on hot/cold to boiler?

    What’s the protocol if we find plastic pipe to boilers(within 100mm)? Found one with the hot and cold piped right into the boilers tails?
    • macka09
    • Thread
    • boiler cold pipe plastic
    • Replies: 10
    • Forum: Boilers
  6. S

    Plastic Central Heating Filters TF1 is metal better?

    I have a Fernox TF1 made of plastic. It always seems to leak a bit after being serviced and needs the joints tightened up. Occasionally it has leaked quite a lot (enough for a puddle after being unnoticed for a while). I don't like the top cap which has threads that are stiff and awkward (even...
  7. P

    Black plastic water supply pipe - please help

    Hi, I've only just registered on this forum and hope there is someone out there that can help. I've just dismantled an old kitchen in our house ready for a new one to be installed. In the process, i unearthed a stopcock connected to the incoming water supply pipe which comes up in the middle of...
  8. 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...
  9. 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...
  10. R

    Plastic or copper? which is best?

    Just wondering what you plumbers out there prefer - plastic or copper?
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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)...
  20. 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
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