The ED stands for ‘extended duty’ and the 4300 Eco-Seal ED is the toughest of the tough. This pump is built with lip seals instead of packing along with longer bushings and larger diameter shafts for the ultimate in pump life. For the industry’s highest flow volume, this pump can crank out 420 gpm with rubber gears and a whopping 660 gpm with steel gears.
Port Size: 4"
Ease of Repair