This time it's a PD (positive displacement) pump
http://www.sailnet.com/store/item.cfm?pid=17167
4A @ 12V power draw
Continuously rated according to the manufacturer
Up to 45PSI pressure
3.4GPM at 0' head
Self-priming to 9' (2.7m)
Able to run dry without damage
All for a lazy $89.85