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News & Events

April 1, 2016
SJE-Rhombus Names Gordon & Associates as New Rep for Alaska   Read More

March 2, 2016
SJE-Rhombus® Acquires MCC Control Systems, Expanding PRIMEX® Business   Read More

March 1, 2016
EZ Series® In-Site® CL Data Logging Panel Now Features Wireless Bluetooth® Capabilities   Read More

More News & Events moredivider

New & Improved PS Patrol® Pedestal Alarm System

SJE-Rhombus introduces the newly redesigned PS Patrol® pedestal-style outdoor alarm system.

Mechanically-Activated Pump Switch for High Temperature Sump Applications


SJE HiTempMaster™

Pump switches provide automatic pump control. Read More Read More



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Welcome to SJE-Rhombus®

Why Choose SJE-Rhombus?

SJE-Rhombus® provides smart solutions to today’s growing environmental challenges. We combine our 40 years of expertise in pump controls with the latest technology to deliver energy efficient, cost-effective products for a wide variety of residential, commercial, municipal, industrial and agricultural applications. 

No matter the application, SJE-Rhombus has a control solution to fit your needs, whether it's a simple float switch or septic alarm system to control panels using embedded circuit board technology for advanced programming and monitoring of your system.  And if we don't have it in our standard catalog, we can design and build a custom solution to meet your exact specifications.

SJE-Rhombus is proud to be 100% employee-owned.

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