Connecting flexible tap tails to isolation valve

[Best]

Thanks, again. Does that mean my suggested 15x15 radiator tail would not fit the compression iso valve?
Ta

It will fit it. A radiator rail is actually 15mm ‘pipe’ and with a 1/2” male thread end

 

[Ric2013]

900mm even. The BES website is pretty poor, so I phone in my orders these days and use the catalogue. If you get a WRAS one you shouldn't go far wrong.

 

[jrtrrror]

I meant use a 15mm x 1/2” male straight.
The threads are actually 1/2” both sides, but one end has a flat face which will suit flat washer end of flexi.
Other end is for 15mm copper

Haha. Blinking ek, I'm more confused now. Haha t
"The threads are actually ½" both sides...other end is for 15mm.
What is actually being measured at ½" if it's a 15mm pipe.
Sorry. I'm very curious and like to learn new stuff
D

 

[Mrb]

They will fit just fine.

 

[Ric2013]

It will fit it. A radiator rail is actually 15mm ‘pipe’ and with a 1/2” male thread end

But isn't designed for potable water, probably. And won't serve a purpose: if the point of using a rad tail valve is to avoid putting a 1/2" threaded flexi onto a thread that's really designed for a compression olive, then I can't see the advantage of screwing onto a thread that's really designed for putting into a radiator and thread sealing. It's possibly a taper fitting too.

 

[jrtrrror]

900mm even. The BES website is pretty poor, so I phone in my orders these days and use the catalogue. If you get a WRAS one you shouldn't go far wrong.

Thanks. I'll give them a buzz tomorrow. I'm wondering if longer monobloc tails would be easier or wiser. But then, I bet some rad tails would be cheaper.

 

[Ric2013]

1/2" is 1/2" BSP thread. So called because the nominal bore of steel pipe onto which such thread would be cut (still used in commercial heating applications) is 1/2". Welcome to plumbing

 

[Ric2013]

Right. So you have a monobloc tap with 10mm thread? Would have been useful to put that in your opening post. Anyway, it's late. I'm going back to my Charlotte Bronte novel and then bed.

 

[jrtrrror]

But isn't designed for potable water, probably. And won't serve a purpose: if the point of using a rad tail valve is to avoid putting a 1/2" threaded flexi onto a thread that's really designed for a compression olive, then I can't see the advantage of screwing onto a thread that's really designed for putting into a radiator and thread sealing. It's possibly a taper fitting too.

Welcome to plumbing you say...
I wish I'd never asked now. Haha.
You lost me with this post. I can only imagine it was for meant for those other contributors, who actually know something. Haha
Thanks again.

 

[jrtrrror]

Right. So you have a monobloc tap with 10mm thread? Would have been useful to put that in your opening post. Anyway, it's late. I'm going back to my Charlotte Bronte novel and then bed.

Oops. Yes, you're right. But hey, that would have been sensible and far too easy. Enjoy Charlotte Brontë. Are listening to Kate Bush whilst reading?