On Sat, 21 Jan 2006 16:58:41 -0000, "Set Square"
wrote:

In an earlier contribution to this discussion,
Ragworm The Abominable wrote:


My Keston hasn't got a pressure valve - would an expansion kit come
with a seperate valve or would I need to purchase the Keston item?


I assume you're talking about the possibility of converting it to an
unvented system? In that case, something like
http://www.plumbworld.co.uk/584-705 should provide everything you need.


To be more explicit - this is a generic kit for creating a sealed
system. The Keston one is functionally the same but a cosmetic
convenience.


--

..andy