One of them is well pumps which generate velocity by using centrifugal forces, increases velocity by rotating impellers and pushes out the fluid through an outlet valve. Other one is magnetic drive pumps which move liquid using electromagnetic or magnetic drive. Third one of the little giant utility pumps is fountain pump which supplies flow to fountains, circulates and filtrate pool water. Other types of these Grundfos pumps include well jet pumps, well water pumps, deep well pumps & well pump