SJE-Rhombus released their all-new Product Brochure that provides quick and simple access to information pertaining to SJE-Rhombus products. The brochure highlights products such as control panels, alarms, floats, embedded controls, on-site accessories and custom control systems. SJE-Rhombus is an industry leader in in providing quality water and wastewater controls for municipal, industrial, commercial, and residential applications. SJE-Rhombus. 888-342-5753.