Welcome to the forum. When I added you as a member, I got a laugh out of your username.
If you have a faucet nearby, it works quite well just running the water from the tap through the WP20. We do it all the time and out bernard cooler sits in a corner, to heavy (all SS construction).
Here is a couple links.
http://www.everlastgenerators.com/fo...memade#post282
http://www.everlastgenerators.com/fo...hlight=redneck