Help! Speedfit Pipe and compression fittings, loft tank

[andrew1]

Cheers stevetheplumber, thats what i like to hear! how to just get the job done!, Will defo give that a go, it is that simple that it just needs more support just to stop the flexing as the ball valve rises up, cheers for advice, allways appreciated.

 

[Howsie]

You need to tee off at the ball valve and continue with a 150mm cutting of pipe with a blank end, This is called a air cushion and prevents water hammer and the ball valve shutting off too quickly.

A professional would have done that and you wouldn't be panicking over your pipework! LOL

No!!!

 

[Guest123]

The only failure I've had with plastic was a 22mm compression fitting on a plastic hot water supply pipe. It had the correct insert, was compressed properly using the recommended copper olive and lasted 2 weeks before being sent into orbit.

 

[Avatar]

Speedfit manufacturers instructions state you use a 'superseal' insert if using with compression fittings. I have used plenty with no problems . . .

Having said that those who have had them 'blow off' probably used the smooth regular inserts, that don't have the extra o rings to grip with.

There is nout wrong with speedfit, only the way that it is fit - better to use speedfit fittings however, and make sure it is clipped out well.

Copper is super expensive these days!

 

[PlumbBobBob]

someone said on here that they cut the end off of superseal inserts so that they fit deeper into compression fittings. i can't remember who it was though.

 

[andrew1]

Thanks everyone for all the advice, £22 and i got the blow tourch out and have now re done it all in copper should have just done that in the first place, gess its just me but some how when done in copper and you solder the joints togther, it some how just seem a better job lol i feel better about it now

Cheers againg everyone