Flexi screwed on to iso valve

Riley26 · 29 Jun 2016

Isit ok to screw the female end o a flexi on to an iso valve. Or is a 1/2 male to 15mm compression needed? I could file the end of the iso valve to give it a flatter surface?

Dan Robinson · 29 Jun 2016

It'll hold for a while, then the chamfer will cut through the washer.

Right fitting for the right job.

Riley26 · 29 Jun 2016

Just means an extra fitting after the iso valve.

Dan Robinson · 29 Jun 2016

Like I said - right fitting for the right job.

Whitespirit66 · 30 Jun 2016

As above, connecting the female end of a flexi straight onto an iso. valve isn't recommended. Whenever I have this situation, I use a tap tail adaptor. One end fits into the iso. valve, secured by an olive and compression nut. Other end has a thread, allowing the flexi to be screwed on.

http://www.toolstation.com/shop/p14081?table=no

http://www.toolstation.com/shop/p63663?table=no

Riley26 · 30 Jun 2016

Thank you, I asked at the plumbers merchants I use this morning but they don't sell them. Does filing down the iso valve not give it a flat enough surface?

GoodiesAreSound · 30 Jun 2016

I have had the same problem. I had a leak just as Dan Robinson said. I asked at Wickes and Plum centre. They had no suggestions. I did not think until i saw the fittings on the link, but I have loads of radiator tails. Would they do the same?

Steelmasons · 30 Jun 2016

Use a fibre washer .. Isolation valve seating is no different than a tap seating whereby we use a tap connector with fibre washer.

mogget · 1 Jul 2016

Radiator tails have always worked OK for me.

Terry7556 · 1 Jul 2016

Riley,the link that whitespirit provided for you is from Toolstation.
If you google that name and find your nearest branch ,you should get those items

Riley26 · 3 Jul 2016

If using a 1/2 male. Does it matter.if.the.other end.is.compression or.solder? Does no one.screw them.on to an iso valve any more then?

Dan Robinson · 3 Jul 2016

In English?

jeff the gasman · 4 Jul 2016

Riley26 said:
Thank you, I asked at the plumbers merchants I use this morning but they don't sell them. Does filing down the iso valve not give it a flat enough surface?

Yes.

Riley26 · 4 Jul 2016

jeff the gasman said:
Riley26 said:

Thank you, I asked at the plumbers merchants I use this morning but they don't sell them. Does filing down the iso valve not give it a flat enough surface?

Click to expand...

Yes.

Is that how you do it?

Riley26 · 4 Jul 2016

Riley26 said:
If using a 1/2 male. Does it matter.if.the.other end.is.compression or.solder? Does no one.screw them.on to an iso valve any more then?

if using a number 3 is it best having the end that connects to the copper in compression or solder? Guess doesn't matter. Just want as less fittings behind the pedestal.

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Flexi screwed on to iso valve

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