Take a look at this site, it shows may different pumps at head, amps, watts
etc.

I just bot a Danner 3600 from them as they were the best prices I found.

http://www.webbsonline.com/catalog/pumps/index.html

Karen
Zone 5
Ashland, OH
http://hometown.aol.com/kmam1/MyPond/MyPond.html
My Art Studio at
http://members.aol.com/kmmstudios/K....M.Studios.html
for email remove the extra extention