I've just had a flexible hose burst.
7 years old under the bath and connected to the hot tap. The braiding was completely corroded and the rubber pipe split. The flat below flooded.

I had no idea that there was an issue with these but can see from old posts that this is a common problem.

Now I have to try and think of all the other places/jobs where I have installed them.

A plumber has told me only to use WRAS approved, which the ones from Wickes are. Pretty sure the duff one came from Screwfix.

On Sun, 01 Oct 2017 06:01:59 -0700, Rednadnerb wrote:


I had no idea that there was an issue with these but can see from old
posts that this is a common problem.


I've said it before and I'll say it again. There's no room in my house
for this junk. I ripped out all the ones I could find when I moved here
and replaced them with conventional rigid copper pipes and unions.



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On 01/10/2017 14:01, Rednadnerb wrote:
I've just had a flexible hose burst.
7 years old under the bath and connected to the hot tap. The braiding was completely corroded and the rubber pipe split. The flat below flooded.

I had no idea that there was an issue with these but can see from old posts that this is a common problem.

Now I have to try and think of all the other places/jobs where I have installed them.

A plumber has told me only to use WRAS approved, which the ones from Wickes are. Pretty sure the duff one came from Screwfix.


Surprised at the corrosion, even the screwfix ones have stainless braid
(and EPDM rubber, which should be good for decades on DHW).

https://www.screwfix.com/p/hose-15mm...FU4S0wodJI4AZg

The only place I have seen serious corrosion of stainless in a domestic
situation is where there was an electrical current flow (from an
"electric" damp proof course).

I may have done Screwfix an injustice, I can't be certain that it came from there.

On Sun, 01 Oct 2017 14:45:16 +0100, newshound wrote:

Surprised at the corrosion, even the screwfix ones have stainless braid
(and EPDM rubber, which should be good for decades on DHW).

Yes, but there are many grades of stainless and I'm guessing they've used
the cheapest. I replaced a set of garden gate hinges with zinc plated
ones from BnQ back in the summer and they're already rusty all over.


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Rednadnerb wrote:
I've just had a flexible hose burst.
7 years old under the bath and connected to the hot tap. The braiding was completely corroded and the rubber pipe split. The flat below flooded.

I had no idea that there was an issue with these but can see from old posts that this is a common problem.

Now I have to try and think of all the other places/jobs where I have installed them.

A plumber has told me only to use WRAS approved, which the ones from Wickes are. Pretty sure the duff one came from Screwfix.


I think that there are some things (like push-fit plumbing) that warrant
regular inspection. If only for one's peace of mind :-)

On Sun, 1 Oct 2017 13:29:21 -0000 (UTC), Cursitor Doom wrote:

On Sun, 01 Oct 2017 06:01:59 -0700, Rednadnerb wrote:

I had no idea that there was an issue with these but can see from old
posts that this is a common problem.

I've said it before and I'll say it again. There's no room in my house
for this junk. I ripped out all the ones I could find when I moved here
and replaced them with conventional rigid copper pipes and unions.

The only one that I have is the filling loop on the combi. There's little
choice except permanent pipe, so I got a good 'n with a ball-valve at each
end.
I know, I could just take it off but I like the convenience and it also
saves wear on the seals.
--
Peter.
The gods will stay away
whilst religions hold sway

On 01/10/2017 14:55, Cursitor Doom wrote:
On Sun, 01 Oct 2017 14:45:16 +0100, newshound wrote:

Surprised at the corrosion, even the screwfix ones have stainless braid
(and EPDM rubber, which should be good for decades on DHW).

Yes, but there are many grades of stainless and I'm guessing they've used
the cheapest. I replaced a set of garden gate hinges with zinc plated
ones from BnQ back in the summer and they're already rusty all over.


Stainless:

Very true, but in ambient temperature environments I'd say it was a
serious failure if hose braiding had failed seriously. You get the odd
rust spot on cheap stainless steel cutlery, presumably because the level
of alloying elements is marginal, but this would not cause a structural
failure.

Zinc plate:

IME the effectiveness of "zinc plating" on fasteners, hinges, etc. is
very variable. But it usually still provides some improvement on mild
steel, and the better ones are quite effective.

On Sunday, 1 October 2017 14:45:20 UTC+1, newshound wrote:
On 01/10/2017 14:01, Rednadnerb wrote:
I've just had a flexible hose burst.
7 years old under the bath and connected to the hot tap. The braiding was completely corroded and the rubber pipe split. The flat below flooded.

I had no idea that there was an issue with these but can see from old posts that this is a common problem.

Now I have to try and think of all the other places/jobs where I have installed them.

A plumber has told me only to use WRAS approved, which the ones from Wickes are. Pretty sure the duff one came from Screwfix.


Surprised at the corrosion, even the screwfix ones have stainless braid
(and EPDM rubber, which should be good for decades on DHW).

https://www.screwfix.com/p/hose-15mm...FU4S0wodJI4AZg

The only place I have seen serious corrosion of stainless in a domestic
situation is where there was an electrical current flow (from an
"electric" damp proof course).

The screwfix ones have galvanised wire. Mine are starting to rust, condensation forms on them
The rubber pipe inside is thin and has no strength at all, it relies on the braided wire.

I had some issues with those alloy convoluted type bendable pipes some years
ago where pin holes appeared.
No flooding but all needed to be changed. A real pain. thus far no problems
with the truly flexible kind. Maybe you were just unlucky?
Brian

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"Rednadnerb" wrote in message
...
I've just had a flexible hose burst.
7 years old under the bath and connected to the hot tap. The braiding was
completely corroded and the rubber pipe split. The flat below flooded.

I had no idea that there was an issue with these but can see from old
posts that this is a common problem.

Now I have to try and think of all the other places/jobs where I have
installed them.

A plumber has told me only to use WRAS approved, which the ones from
Wickes are. Pretty sure the duff one came from Screwfix.

The problem with that is modern sinks are quite thin and some flexing of the
tap mounting is often enough to make copper pipes leak at the nearest join.

Brian

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This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Cursitor Doom" wrote in message
news
On Sun, 01 Oct 2017 06:01:59 -0700, Rednadnerb wrote:


I had no idea that there was an issue with these but can see from old
posts that this is a common problem.


I've said it before and I'll say it again. There's no room in my house
for this junk. I ripped out all the ones I could find when I moved here
and replaced them with conventional rigid copper pipes and unions.



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the Usenet protocol. Reproduction in whole or part through other
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On Mon, 02 Oct 2017 08:47:54 +0100, Brian Gaff wrote:

The problem with that is modern sinks are quite thin and some flexing of
the tap mounting is often enough to make copper pipes leak at the
nearest join.

Brian

I use flexible tails with compression fittings for those.



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