Wessel Pump & Mechanical serves Southern California and is proud to offer our expertise that apply to water pump applications. Domestic, Circulation, Sewage and Sump Pumps are mechanical applications that demand proper maintenance in order to preserve the functions required for maximum service life. With an understanding of the mechanical relationship between pumps and control panels, we provide the technical expertise related to Control Panels, Variable Speed Drives and Pressure Regulating Valves with the ability to repair and/or replace.