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SJE Rhombus

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SJE-Rhombus is a leading manufacturer of reliable, trouble-free liquid level controls for the water, wastewater and sewage industries throughout the United States and Canada.

SJE-Rhombus offers a wide variety of control products for residential, commercial, municipal, and industrial markets. From control panels utilizing embedded circuit board technology, to complete control and monitoring systems designed and built to individual specifications, SJE-Rhombus represents the most reliable integration of engineering and manufacturing capabilities in the industry.New product designs endure extensive in-house and field testing before submittal to recognized independent laboratories for safety testing and approval. Each product is constructed of materials of the highest quality with expert workmanship and delivered in responsive lead times. This commitment to quality ensures you a dependable, trouble-free product. SJE-Rhombus is so confident in the superior quality and performance of our controls, that nearly every catalog product leaving the factory is backed by a five-year limited warranty.

Controller lines

Although SJE-Rhombus manufactures a wide variety of controllers for the wastewater industry, there are a couple of models that fit the residential wastewater treatment needs in the Southwest:

The EZ Series® - Combining circuit board technology and easy operations, the EZ Series can control single or duplex pumps, features a digital display for programming and monitoring, and can be configured for time or demand dosing in the field.

IFS Series® Drip Control Panel – This version of the IFS Series will control a simplex pump and drip dispersal components. It features rest for standard time, rest for peak enable time, spin filter flush time, field flush time, filed drain time and low alarm activation.

Model 122 - The Model 122 control panel is designed to control two alternating single phase pumps and provides override control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. This simple panel is ideal for demand-dosed lift stations, like would be found to pump wastewater from the structure to the treatment system.



Cord Seals

Cord Seals provide strain relief and a liquid-tight seal in terminal adapters. PVC plugs included for unused cable positions. Available in both 4-Hole and 6-Hole seals.





Technical Documents

  Spec Sheet Installation Instructions
EZ Series Simplex Panel (for simplex time/demand dosed pumps) Spec Install
IFS Drip Series Panel (for simplex pumps with automatic headworks) Spec Install
122 Series Panel (for demand-dosed duplex lift stations) Spec  Install 
Cord Seal Brochure Spec Install

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About Us

The company was formed in 2003 as an independent distributor of the MicroSepTec product line and other related products. Over the next 10 years, we grew with our specifiers, installers and service providers in California, Arizona and Nevada. Recognizing that we were only serving a portion of our customers’ needs, the company rebranded as GTS in 2013 and expanded to provide an even broader range of systems and components to the water treatment industry read more ...

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  • +1 949.305.0651
  • +1 949.305.0651