International Products

New product designs endure extensive in-house and field testing before submittal to recognized independent laboratories for safety testing and approval. This commitment to quality ensures dependable, trouble-free products. SJE Rhombus now offers an industry-leading five-year limited warranty on most standard catalog products.

Constant Pressure Controls & Customized Controls

The variable frequency drives to automatically control the pump speed and maintain a constant pressure in the discharge pressure, irrigation, deep well, and other applications at constant pressure.

Standard Control Panels

SJE Rhombus® control panels offer pump control and alarm notification in one convenient package for a variety of applications, including pump chambers, sump pump basins, irrigation system, lift station and more.

Alarm Systems

Tank Alert® liquid level alarms visually and audibly warn of threatening liquid level conditions in lift pump chambers, sump pump basins, holding tanks, sewage and other non-potable water applications.

Pump Floats

Wide-angle pump floats directly control pumps up to 3HP at 250 VAC. UL Listed, CSA Certified, CE Compliant.

Control Floats

Narrow-angle control floats accurately monitor high (normally open) or low (normally closed) liquid level conditions to activate control panels and alarms. UL Listed, CSA Certified, CE Compliant.

Submersible Transmitter

The Sub-X™ transmitter measures the hydrostatic pressure of the water above the sensor and outputs a 4-20 mA signal proportional to the level.


SJE Rhombus provides a variety of accessories to complete any on-site water and wastewater installation.