The message
from "Pond Newbie" contains these words:

http://www.eia.doe.gov/kids/electricity.html

kW = Kilowatts which equal 1000 watts, not a thousandth of a watt (at
least here in the
US).

These heaters are designed for Jacuzzi type spas and pools.

kW - thousandth of a watt
KW - thousand watts

--
Rusty
Open the creaking gate to make a horrid.squeak, then lower the foobar.
http://www.users.zetnet.co.uk/hi-fi/