> "Ed Sirett" makewrite.demon.co.uk> wrote in message
> news:fvspqb$k6r$3$8300dec7@news.demon.co.uk...

>> On Tue, 06 May 2008 22:53:57 +0100, Jim Alexander wrote:
>>

>>> "Doctor Drivel" nospam.com> wrote in message
>>> news:fvq4ej$3gh$1@aioe.org...

>>>>
>>>> "Ed Sirett" makewrite.demon.co.uk> wrote in message
>>>> news:fvq2ns$2il$4$8300dec7@news.demon.co.uk...
>>>>

>>>>> The most common faults by far and away are not pushing the pipe fully
>>>>> home. If you mark the pipe with the correct insertion depth then the
>>>>> joints are at least as reliable as soldering and their long term
>>>>> prospects are far better than compression joints.

>>>>
>>>> What world are you in? The grab ring disintegrating is more common
>>>> that what you think. Plastic pipes with brass compression joints is
>>>> the best jointing for plastic pipes. The only proviso is that there ...

> It would be useful to review the various type of pipe and fittings that
> are currently available.
>
> Copper
> Pro - long history of use.
> can be bent into nice shapes.
> Con - expensive and very prone to theft until fitted.
> needs corrosion protection.
>
> Plastic - PB. (PolyButylene ?)
> Pro Can be cabled through joists
> lower heat losses.
>
> Con unsightly - sags when cold and more when hot.
> needs a few but relatively expensive joints.
> negative reaction by some.
> not usable for gas.
> ...

> In article ,
> dennis@home killspam.kicks-ass.net> wrote:
>
>

>> "Dave Plowman (News)" davenoise.co.uk> wrote in message
>> news:4f9baa7454dave@davenoise.co.uk...

>>> In article ,
>>> dennis@home killspam.kicks-ass.net> wrote:

>>>>>>> Think single pipe systems are out of fashion these days...

>>>>>

>>>>>> Where did I mention single pipe?

>>>>>
>>>>> With only one connector at each end of the two pipes to each rad
>>>>> that's what it suggests.

>>>

>>>> To someone that has done a heating system it would suggest a rad and a
>>>> manifold.

>>> ...

> Overall I'd say that the the material cost is now evens overall
> the big saving is installation time.

> "Clive George" xxxx-x.fsnet.co.uk> wrote in message
> news:Ltydne4oYfkUc7zVnZ2dnUVZ8tyqnZ2d@plusnet...

>> "Ed Sirett" makewrite.demon.co.uk> wrote in message
>> news:fvspqb$k6r$3$8300dec7@news...

> On Thu, 08 May 2008 08:05:49 +0100, Doctor Drivel wrote:
>

>> "Clive George" xxxx-x.fsnet.co.uk> wrote in message
>> news:Ltydne4oYfkUc7zVnZ2dnUVZ8tyqnZ2d@plusnet...

>>> "Ed Sirett" makewrite.demon.co.uk> wrote in message
>>> news:fvspqb$k6r$3$8300dec7@news.demon.co.uk...

>>>> On Tue, 06 May 2008 22:53:57 +0100, Jim Alexander wrote:
>>>>

>>>>> "Doctor Drivel" nospam.com> wrote in message
>>>>> news:fvq4ej$3gh$1@aioe.org...

>>>>>>
>>>>>> "Ed Sirett" makewrite.demon.co.uk> wrote in message
>>>>>> news:fvq2ns$2il$4$8300dec7@news.demon.co.uk...
>>>>>>

>>>>>>> The most common faults by far and away are not pushing the pipe
>>>>>>> fully home. If you mark the pipe with the correct insertion depth
>>>>>>> then the joints are at least as reliable as soldering and their
>>>>>>> long term prospects are far better than compression joints. ...

> "Ed Sirett" makewrite.demon.co.uk> wrote in message
> news:fvve91$673$4$8302bc10@news.demon.co.uk...

>> On Thu, 08 May 2008 08:05:49 +0100, Doctor Drivel wrote:
>>

>>> "Clive George"

>> If what you write is your experiences then you need more experience with
>> plastic pipes. As your experiences do not match the industry as whole.
>> Take note of people who know more.

>
> It is possible...

>
> True. But not so old I can't hear the noise microbore makes.

>
> He had better not. I will blind the man with science.