What size is the existing tube?
Something like this in SS or Brass
http://www.sonsbeek.com.au/product-d...?productID=125
Enzed @ Eagle Farm have come up with a fitting that might suit - being ordered in - will let you know how it turns out.
THANK YOU EVERYONE for your assistance with this.
Said it before & say it again - this is a great site with some fantastic people.
Mal