The message .com>
from contains these words:

> No what does this switch look like? Sorry im not very mechanical. Does
> it look like a light switch or a toggle switch?

It won't look like a switch at all. It'll be a fitting on the side of
the radiator. In general it'll look something like this...

http://www.bus-boys.com/121b-wasser.gif

but of course, they're all different! You should be able to unplug it.
If that doesn't stop then fan then start chasing the relay.

--
Skipweasel.
Ivor Cutler - "Never knowingly understood."