The Grundfos SQ is a compact 3” multistage centrifugal pump, which can be installed in boreholes that are 3” or larger. Featuring built-in electronics, it is simple to install and operate and guarantees a reliable water supply at all times. The SQ submersible groundwater pumps are equipped with permanent magnet motors and can supply pump heads up to 200 m. Grundfos SQ pumps are compact submersible pumps, designed for domestic groundwater supply for private housing, small waterworks, and small irrigation systems.