On Mon, 24 Nov 2008 13:31:17 +0000 someone who may be Mike Tomlinson
wrote this:-

Mine is on an MCB only and I am perfectly happy with that, it's even one
of the early Dolphin ones with a direct and uninsulated heating element
in the water flow.

eeeek! That can't be right, can it? It sounds as if you're saying the
live element is immersed in the water?

What do you think would be the problem?

Some heaters (not showers) work by passing electricity through the
liquid to be heated.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54