"Dave Liquorice" wrote in message
ll.co.uk...
On Wed, 28 Jul 2010 04:34:01 -0700 (PDT), wrote:

Isn't this an application for injector tee's?

http://www.injector-tee.co.uk

You can see the construction but it doesn't explain in detail how it
works... I'd have thought the flow through the injector would tend to
draw water from the branch and thus through that loop.

--
Cheers
Dave.




It looks as if it could be venturi effect.
http://www.google.co.uk/search?num=5...effect&spell=1

Baz