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SJE Rhombus
17 products
Showing 1 - 17 of 17 products

SJE Rhombus: Trusted Liquid Level Control Since 1975
SJE Rhombus liquid level controls and pump panels deliver reliable, long-term solutions for water and wastewater systems. Since 1975, SJE Rhombus has set the industry standard for innovative float switches, alarm systems, and control panels engineered for durability and precision.
Why SJE Rhombus Controls Lead the Industry
Proven Reliability with 50+ Years of Excellence
SJE Rhombus has been the trusted choice for liquid level controls since 1975. Our products are field-tested and engineered for long-term performance in demanding water and wastewater environments across residential, commercial, municipal, and industrial applications.
Comprehensive Solution Range
From float switches to control panels, we offer a complete portfolio of SJE Rhombus controls. Whether you need basic sump pump automation or complex municipal pump station management, our product line delivers reliable performance.
Industry-Leading 5-Year Warranty
We stand behind every SJE Rhombus product with the industry's most comprehensive warranty. This demonstrates our confidence in product quality and provides peace of mind for your most critical applications.
Popular SJE Rhombus Control Panels & Alarms
Tank Alert® AB Alarm System
Monitor liquid levels with audio and visual warnings for high and low conditions. Features dual alert system, battery backup, and auto-reset function for reliable operation in lift pump chambers and sump basins.
PumpMaster® WPS Float Switch
NSF/ANSI 61 certified for potable water applications. Controls pumps up to 1 HP with a single-pole double-throw design for flexible normally open or normally closed operation. Includes external cable weight for easy installation.
PumpMaster Plus Piggyback Switch
Plug-and-play design for quick installation. Wide-angle mechanical float provides extended pump run time with non-mercury construction. Compatible with 120V pumps up to 3/4 HP and 240V pumps up to 2 HP.
Tank Alert® EZ Outdoor Alarm
Indoor/outdoor alarm system with innovative two-color molded enclosure. Features removable cover for easy field wiring, external mounting tabs, and Type 3R watertight construction for harsh environments.
Xpert Alert Indoor System
Advanced sump pump alarm with LED light ring and multi-function alerts. Monitors high water, low temperature, and battery conditions with automatic reset and 80 dB horn for reliable flood protection.
Applications Across Multiple Industries
Residential Wastewater Systems
SJE Rhombus sump pump controls and alarm systems protect homes from basement flooding and sewage backup. Our reliable float switches ensure automatic pump operation when water levels rise.
Commercial & Industrial Facilities
From restaurants to manufacturing plants, our pump controls manage greywater, process water, and industrial wastewater. Built-in alarms prevent costly overflows and equipment damage.
Municipal Pump Stations
Cities and townships rely on SJE Rhombus controls for lift stations, treatment plants, and distribution systems. Our products meet strict municipal specifications for reliability and safety.
Agricultural and Irrigation Systems
Farmers trust our level controls for irrigation pumping, livestock watering, and agricultural drainage. Weather-resistant designs withstand outdoor conditions year-round.
Certified Quality You Can Trust
Every SJE Rhombus product is tested to the highest industry standards. Our controls and alarms carry CSA, UL, and NSF certifications, guaranteeing safe, compliant operation across residential, commercial, and municipal water systems.
Frequently Asked Questions
What makes SJE Rhombus products reliable?
SJE Rhombus controls are engineered with over 50 years of experience and undergo rigorous testing. We use high-quality materials, precision manufacturing, and comprehensive quality management systems to ensure long-term reliability in demanding applications.
Which control panel is best for my application?
The best control panel depends on your specific requirements, including pump size, voltage, indoor/outdoor installation, and monitoring needs. Our Tank Alert systems work well for basic monitoring, while more complex applications may require custom control panels.
Are products CSA and UL certified?
Yes, all SJE Rhombus products meet rigorous safety and performance standards. Products carry CSA certification for Canadian markets and UL listing for US applications. Many products also feature NSF certification for potable water use.
How does the 5-year warranty work?
SJE Rhombus offers an industry-leading 5-year limited warranty that covers defects in materials and workmanship. This extended warranty demonstrates our confidence in the product's quality and assures long-term reliability.
Where can I buy SJE Rhombus in Canada?
SJE Rhombus products are available through Cleanflow, your trusted Canadian distributor. We carry a wide selection of popular SJE Rhombus controls and alarms, with fast shipping across Canada. Our offering continues to expand, and we can custom-order any SJE Rhombus product upon request — just contact us and tell us what you need.
What is an SJE Rhombus?
SJE Rhombus is a leading manufacturer of liquid level controls for water and wastewater applications. The company produces float switches, control panels, alarm systems, and monitoring equipment trusted by professionals across North America.
What is the SJE Rhombus tank alert?
The SJE Rhombus Tank Alert is an automatic liquid level alarm system providing audible and visual warnings when liquid levels become dangerously high or low. It features a bright flashing beacon and loud horn that activate during alarm conditions and automatically reset when levels return to normal.
How to silence the SJE rhombus alarm?
Press the Test/Silence button to quiet the audible alarm. The alarm light will remain illuminated until the liquid level condition is resolved. Once corrected, the system automatically resets for the next alarm cycle.
Trust SJE Rhombus for Critical Applications
For over five decades, water and wastewater professionals have relied on SJE Rhombus for mission-critical liquid level control. Our commitment to quality, innovation, and customer support makes us the preferred choice for demanding applications across North America.
Whether you specify equipment for a new municipal facility or upgrade residential sump pump controls, SJE Rhombus delivers the reliability and performance you need.
Shop SJE Rhombus controls at Cleanflow for fast shipping across Canada and expert support.