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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Compression fittings - WTF?
Putting in the new waste for the washing machine, I bought from Screwfix:
http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? -- Peter. The gods will stay away whilst religions hold sway |
#2
Posted to uk.d-i-y
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Compression fittings - WTF?
"PeterC" wrote in message ... Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? Compression fittings for waste pipe are pretty much universal and foolproof. Did you dismantle each joint and make sure the rubber ring was on the pipe correctly and the right way round? |
#3
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Compression fittings - WTF?
On 19/01/2014 15:28, PeterC wrote:
Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? Did you tighten them up the same amount? Are the rubber rings in the correct place? |
#4
Posted to uk.d-i-y
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Compression fittings - WTF?
On 19/01/2014 15:28, PeterC wrote:
Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? Compression waste fittings are pretty universal - are you sure you didn't get solvent weld pipe? -- Dave - The Medway Handyman www.medwayhandyman.co.uk |
#5
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Compression fittings - WTF?
On Sun, 19 Jan 2014 20:23:23 +0000, The Medway Handyman wrote:
On 19/01/2014 15:28, PeterC wrote: Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? Compression waste fittings are pretty universal - are you sure you didn't get solvent weld pipe? There was ABS solvent weld pipe next to it; I tried that and it was no go; tried the polyprop in a bend that I already had from SF and it was a reasonable fit, but not as snug as in the fittings on the trap. As for the washer and seal: I just unscrewed the ring and slid it on the pipe (having checked that it was correct) and for the second joint on the 45deg. bend I didn't even dismantle it but just looked to check that the seal and washer were correctly inserted. The joints aren't too bad - it was just the difference that got me. -- Peter. The gods will stay away whilst religions hold sway |
#6
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Compression fittings - WTF?
In message , PeterC
writes On Sun, 19 Jan 2014 20:23:23 +0000, The Medway Handyman wrote: On 19/01/2014 15:28, PeterC wrote: Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? Compression waste fittings are pretty universal - are you sure you didn't get solvent weld pipe? There was ABS solvent weld pipe next to it; I tried that and it was no go; tried the polyprop in a bend that I already had from SF and it was a reasonable fit, but not as snug as in the fittings on the trap. As for the washer and seal: I just unscrewed the ring and slid it on the pipe (having checked that it was correct) and for the second joint on the 45deg. bend I didn't even dismantle it but just looked to check that the seal and washer were correctly inserted. The joints aren't too bad - it was just the difference that got me. I prefer the McAlpine Multifit compression fittings over the others I've tried. They seem to take a slightly wider range of pipe sizes (surely a universal compression should take solvent weld pipe isn't that's what the universal bit is about) including the copper waste pipe I have. And the internal pipe sleeve does seem to make for a good snug joint. -- Chris French |
#7
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Compression fittings - WTF?
On Mon, 20 Jan 2014 22:42:46 +0000, chris French wrote:
I prefer the McAlpine Multifit compression fittings over the others I've tried. They seem to take a slightly wider range of pipe sizes (surely a universal compression should take solvent weld pipe isn't that's what the universal bit is about) including the copper waste pipe I have. And the internal pipe sleeve does seem to make for a good snug joint. Yes, would seem to be better but I had to do this in a hurry and bought what I could. As it turned (chiselled) out, the old fittings were push-fit - I suppose that I could have got those instead. Not too important as the 'softer' joints are all outside. -- Peter. The gods will stay away whilst religions hold sway |
#8
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Compression fittings - WTF?
On Sunday, January 19, 2014 3:28:26 PM UTC, PeterC wrote:
Putting in the new waste for the washing machine, I bought from Screwfix: http://www.screwfix.com/p/washing-ma...rap-40mm/18640 and some other fittings http://www.screwfix.com/p/universal-...end-40mm/30640 http://www.screwfix.com/p/universal-...end-40mm/35203 all by Floplast Went to B&Q for the pipe, polyprop for compression, as I didn't fancy trying to get 3m on the bus. The fitting on the waste is tight on the pipe; the 90deg. bend is firm but the 45deg. one is a bit 'soft'. It's only to turn the flow down from about 30deg. from horizontal, so no pressure on it, but I wouldn't want to trust it v. much elsewhere. Did I get the wrong fitting or is the system just crap? -- Peter. The gods will stay away whilst religions hold sway Do the pipe and fittings have sizes imprinted in them? Bores are the same across manufacturers but some use different wall thicknesses. I think there are also different sizes of Floplast (40mm, 43mm). Cheers Richard If you are reading this from Google Groups, please be aware this is not a forum, and you are using a web portal to a USENET group. Many people block posters coming from web portals, but they haven’t come to terms with the obsolescence of the phonograph. |
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