SJE-Rhombus, a provider of quality control solutions for water and wastewater applications,introduces the VARIOspeedseries of constant pressure controls for variablespeed pumping applications, including submersible deep well pumps, boosterpumps and irrigation pumps.The VARIOspeed series offer a pre-engineeredcontrol solutionusing a factory-programmed variable frequency drive (VFD) in a NEMA 1 orNEMA 3Renclosure. A user-friendly keypad and backlit display allow easyinstallation and setup.

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