Mark Hewitt wrote:
"Set Square" wrote in message
...

Which bit of the Y-piece - where it screws onto the tap, or where
one of the
hoses screws onto the Y-piece?

In the half a second I had looking at it before I had to run back to
the tap to shut the water off, it appeared to be leaking out of all
three joins.

As you are using main pressure, they need to be bloody tight! - although not
recommended I've had to use mole grips in the past to get them tight enough!

Jon