Keefiedee wrote:
I need some 28 mm motorised valves that are open when there is no
power rather than closed as is more usual.

I don't suppose I can get them from eBay, but need to do a Google
search. Trouble is, I'm not sure what they're proper name is to
search on. Can anyone help, or give me any links to sites where I
could get them?

TIA

Keith

Here's a starter for 10:

http://www.havelockcontrols.co.uk/it...findclas=24338