Grundfos HS150 3030 3HP 1PH TEFC Horizontal Splitcase Pump. The Grundfos HS Series Horizontal Split Case Pumps are single-stage, centrifugal volute pumps. The HS Series features a split design that allows users to easily remove the top casing and access to the pumps components like the bearings, wear rings, impeller, and shaft seal. This Grundfos HS150 3030 3HP 1PH TEFC Horizontal Splitcase Pump features independent bearing housings, extending component life, minimized vibration, double suction which extends the life of the wear rings and quiet operation. The Pump also offers high energy efficiency along with long pump life and easy maintenance. The Grundfos HS150 3030 3HP 1PH TEFC Horizontal Splitcase Pump is ideal any commercial buildings, water utility and most industrial applications.