SJE Rhombus

History

Since 1975, SJE Rhombus has been a leading manufacturer of reliable liquid level controls for the water, wastewater, and sewage industries across North America and global markets. As a brand of SJE Inc., the company is committed to engineering and manufacturing excellence, offering a broad range of high-quality control solutions. With world-class quality management systems, SJE Rhombus ensures compliance, reliability, and cost-effectiveness for its customers.

Why Choose SJE Rhombus?

SJE Rhombus delivers dependable liquid level controls designed for long-term performance. Their commitment to quality and precision manufacturing ensures compliance and reliability. Backed by an industry-leading five-year warranty, their products provide confidence and peace of mind. Explore some of our popular products below:

SJE Rhombus Tank Alert® AB High & Low Liquid Level Alarm System

The SJE Rhombus Tank Alert® AB High & Low Liquid Level Alarm System provides reliable audio and visual alerts for high and low liquid levels in various applications, including sump pump basins, lift pump chambers, and sewage systems. Designed for indoor use with a NEMA 1-rated enclosure, it features a dual alert system with a red warning light and an 87 dB horn, an auto-reset function, and battery backup for power outages. The low battery indicator, easy installation, and user-friendly controls ensure convenience and efficiency.

SJE PumpMaster® WPS Wide-Angle Float Switch for Potable Water

The SJE PumpMaster® WPS Wide-Angle Float Switch for Potable Water supports 120V pumps up to 1/2 HP and 240V pumps up to 1 HP, with UL, NSF/ANSI 61, and CSA certifications for safe drinking water use. Featuring a single pole double throw (SPDT) design, it allows for flexible wiring in normally open (high level) or normally closed (low level) applications. The switch includes a durable PVC float, water-resistant cable, and an external cable weight for easy installation.

SJE Rhombus PumpMaster Plus Wide-Angle Piggyback Pump Switch

The SJE Rhombus PumpMaster Plus Wide-Angle Piggyback Pump Switch features a piggyback plug for easy installation, a stainless steel clamp for secure positioning, and an optional cable weight. It ensures hassle-free operation and energy efficiency. UL recognized and CSA certified, this float switch is built for durability, backed by a 5-year warranty, and compatible with pumps that have integral thermal overload protection.

FAQs

1. Why is a five-year warranty important for liquid level control systems?

Liquid level control systems are critical components in water and wastewater management, and any failure can lead to costly damages. The extended warranty provides peace of mind, ensuring customers receive a product built to last and backed by exceptional customer support.

2. What is the benefit of using a float switch in pump control?

Float switches provide automatic pump operation by detecting liquid levels and activating pumps accordingly. This prevents overflows and dry-running, reducing energy consumption and wear on pumps. The wide-angle design of float switches ensures accurate and reliable water level control, making them essential for maintaining system efficiency.

3. How does the SJE Rhombus Tank Alert® AB improve water management?

The Tank Alert® AB system enhances water management by providing both audio and visual alerts for high and low liquid levels, ensuring timely intervention. With a built-in battery backup, it remains operational even during power outages, preventing potential damage from system failures. Its easy installation, CSA and UL certifications, and five-year warranty make it a dependable choice for liquid monitoring in residential and commercial applications.

4. Can SJE Rhombus products be used in potable water applications?

Yes, SJE Rhombus offers NSF-certified products like the SJE PumpMaster® WPS, which is specifically designed for potable water systems. This certification ensures that the materials used meet safety standards for drinking water applications, making it a reliable choice for water supply and treatment systems.

5. What is a piggyback float switch, and why is it useful?

A piggyback float switch, like the SJE PumpMaster Plus, allows for easy installation by plugging directly into a standard outlet while controlling a pump through its own switch mechanism. This design makes it simple to retrofit existing systems without the need for complex wiring, providing reliable on/off control for sump, effluent, and sewage pumps.