Here is the pump spec:
Wattage (Power consumption): @1500GPH is 30W, @1750GPH is 40W, @2000GPH is 50W
Hmax (Vertical Head Pressure): @30W is 138 High, @40W is 157 High, @50W is 177 High
Even on the high setting I am only getting 275gph. There is about 2 feet of vinyl tubing to my return...