In an earlier contribution to this discussion,
Dave Osborne wrote:


OK, I've redrawn these plans in Autocad. If someone wants to put them
up on the Wiki they're welcome. Please let me know what format/size
you want them and where to send them.

Here's a sample: -

http://tinypic.com/view.php?pic=oaaj3p&s=3

Excellent!

I'm not too sure about showing the internals of the mid-position valve
unless you're going to show *all* the gory details - Honeywell just show the
wires disappearing into the case. Having said that, they *do* show the
internal motor and auxilliary contacts on the 2-port valves used in S-Plan
systems.
--
Cheers,
Roger
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