SJE-Rhombus® is a global provider of control solutions for water/wastewater pumping applications. With 6 locations worldwide, SJE-Rhombus has built a reputation of providing innovative, trouble-free controls and is 100% employee-owned. Sump, Effluent and Sewage Controls include control panels, tank alarms, pump/control switches and accessories for residential and commercial applications. Engineered Controls are custom solutions designed and built to individual specifications for commercial, municipal, industrial and agricultural applications features variable frequency drives, remote monitoring, service entrance ratings, programmable logic controllers, telemetry/SCADA and more. Embedded Controls provide innovative engineering solutions for software, firmware and hardware designs using printed circuit board assemblies for high and low volume OEM applications in a wide variety of markets. Ceramic Filtration Solutions provide water treatment using ceramic membranes and controls for industrial process water, commercial developments, decentralized communities and municipal applications.


PO Box 1708
22650 County Highway 6
Detroit Lakes, MN 56502
United States
Toll-free: 1-888-342-5753
Phone: 218.847.1317
Fax: 218.847.4617

Product Categories

Control Panels; Data, Loggers; Controllers, Liquid Level; Level Indicators; Variable-Frequency Drive