Andy Burns wrote:

R D S wrote:

If i'm connecting a screw on tap tail to, for example, an isolator valve
i'll use a both end compression one and do away with the nut and olive
on one end.

But you're supposed to get a specific one with a flatter end.

Or use an adapter https://screwfix.com/p/x/2665r

Or take 1/2mm off the compression fitting with a flat grinding wheel and
lap it a bit on a stone or wet and dry?


--

Roger Hayter