When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

Thanks

Al

We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember "AL_z"
saying something like:

When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

I've always used them, simply because the makers say it is necessary and
a flood is just so inconvenient. To deliberately not use them would be
pretty daft.

In article ,
Grimly Curmudgeon writes:
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember "AL_z"
saying something like:

When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

I've always used them, simply because the makers say it is necessary and
a flood is just so inconvenient. To deliberately not use them would be
pretty daft.

Certainly essential for compression fittings on plastic - I had to fix
a leak on a new run a friend installed, and it was on the one and only
join where he'd forgotten to use an insert (and it was a low pressure
supply).

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

On 14 May, 20:03, (Andrew Gabriel) wrote:
In article ,
* * * * Grimly Curmudgeon writes:

We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember "AL_z"
saying something like:

When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

I've always used them, simply because the makers say it is necessary and
a flood is just so inconvenient. To deliberately not use them would be
pretty daft.

Certainly essential for compression fittings on plastic - I had to fix
a leak on a new run a friend installed, and it was on the one and only
join where he'd forgotten to use an insert (and it was a low pressure
supply).

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

And the one and only one that leaks will be the least accessible one.

Also known as "The law of sod".

On 14 May, 17:04, "AL_z" wrote:
When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

Thanks

Al

I've missed them out on *temporary* work, when I ran out. No leaks
seal on speedfit at 3 bar (cold supply only).

As others have said, disasterous on compression fittings.

Andrew Gabriel wrote:
In article ,
Grimly Curmudgeon writes:
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember "AL_z"
saying something like:

When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?
I've always used them, simply because the makers say it is necessary and
a flood is just so inconvenient. To deliberately not use them would be
pretty daft.

Certainly essential for compression fittings on plastic - I had to fix
a leak on a new run a friend installed, and it was on the one and only
join where he'd forgotten to use an insert (and it was a low pressure
supply).

Low pressure is probably the worst, as it wont swell the pipe..

On 14/05/10 17:04, AL_z wrote:
When using push-fit couplers in pipe, how necessary is it to use inserts to
support the pipe where it fits in the coupler? I seem to recell forgetting
to use them once or twice but have never noticed a leak develop. Does
anyone here purposely avoid using inserts in the belief thay are
unnecessary?

Thanks

Al

I've done the same - forgotton and observed no leaks. However, I have
gone back and put the inserts in.

Do it - you know it makes sense...

--
Tim Watts

Hung parliament? Rather have a hanged parliament.