Product Description
Heavy-Duty SJE PumpMaster Pump Switch for Reliable Sump Pump Control
The SJE PumpMaster Plus float switch is a professional-grade SJE PumpMaster pump switch designed for automatic water level control in sump, sewage, and effluent systems. Built by SJE Rhombus, this high-performance SJE Rhombus float switch delivers reliable operation, long service life, and easy plug-and-play installation.
Wide-angle mechanical float for accurate activation
Piggyback plug for fast installation
Controls pumps up to 2 HP
Trusted by professionals across Canada and the USA
👉 Upgrade to the SJE Rhombus Float Switch PumpMaster Plus, the reliable pumpmaster float switch built to perform.
Key Features of the SJE PumpMaster Plus Float Switch
Wide-Angle Mechanical Design: Non-mercury float provides extended pump run time and precise water level control. This design allows the SJE PumpMaster Plus float switch to operate reliably in both calm and turbulent conditions, ensuring consistent performance.
Piggyback Plug for Easy Installation: This SJE piggyback float switch connects quickly to compatible pumps with no hardwiring required, making it an ideal pump float switch for fast installation or replacement.
Pump Down Operation: This pump-down float switch activates at high water levels and turns off at low levels, helping prevent flooding, reduce pump wear, and improve energy efficiency in sump and wastewater systems.
High Compatibility: Designed as a true SJE PumpMaster pump switch, it supports:
120V pumps up to 3/4 HP
240V pumps up to 2 HP
Making it a versatile SJE PumpMaster float switch for residential and commercial applications.
Adjustable Pumping Range: Offers a flexible pumping range of approximately 7” to 36”, depending on tether length, allowing customization for various sump and effluent system setups.
Durable Construction: High-impact PVC float housing resists corrosion in demanding environments, making this SJE Rhombus float switch suitable for water and sewage applications up to 140°F.
UL Recognized & CSA Certified: Meets North American safety and performance standards, ensuring reliability and compliance in professional installations.
Included Stainless Steel Clamp: Provides a secure pivot point for mounting the float switch cable to the discharge pipe. An optional cable weight is also available for additional installation flexibility.
5-Year Warranty: Backed by SJE Rhombus, this PumpMaster Plus float switch is built for long-term durability and dependable operation.
What the SJE PumpMaster Plus Does
The SJE PumpMaster Plus float switch automatically controls your pump based on liquid levels using pump-down operation, the most common setup for drainage and wastewater systems.
This means the float switch activates your pump to empty the pit or tank as liquid levels rise.
Pump Down Operation (Most Common)
Turns the pump ON when the water rises
Turns the pump OFF when levels drop
Prevents overflow and flooding
This makes the SJE PumpMaster float switch ideal for:
Sump pump systems
Sewage and wastewater
Effluent pumping
Drainage and dewatering
A dependable pump-down float switch that keeps your system running safely.
Technical Specifications
Category
Specification
Product Type
SJE PumpMaster Plus Float Switch (SJE PumpMaster Pump Switch)
Switch Type
Wide-Angle Mechanical, Non-Mercury Float
Operation
Pump Down (standard)
Voltage
120V / 240V AC, 50/60 Hz
Max Running Current
15 Amps
Max Starting Current
85 Amps
Pump Capacity
Up to 3/4 HP (120V) / Up to 2 HP (240V)
Cable Type
14-gauge, 2-conductor SJOW, water-resistant
Float Material
High-impact, corrosion-resistant PVC
Float Size
3.05” diameter x 3.56” length
Temperature Rating
Up to 140°F (60°C)
Pumping Range
Adjustable from 7” to 36” (based on tether length)
Installation Type
Piggyback Plug (plug-and-play) / Quick Fit (optional)
Certifications
UL Recognized, CSA Certified
Included
Stainless Steel Mounting Clamp
Warranty
5-Year Limited Manufacturer Warranty
Available Options at Cleanflow
The SJE PumpMaster Plus float switch is available at Cleanflow in the following configurations:
Voltage & Plug Type
120V Piggyback Plug
240V Piggyback Plug
Cable Length Options
10 Foot Cable
15 Foot Cable
20 Foot Cable
30 Foot Cable
Applications
The SJE PumpMaster Plus float switch is suitable for many applications, including:
Sump pump systems
Sewage and wastewater systems
Effluent pumping
Septic tanks
Drainage and dewatering systems
This float switch for sump pump applications is widely used as a replacement or upgrade for existing pump systems.
Looking for a Float Switch for Higher Temperature Applications?
If your application requires higher temperature resistance, consider the SJE HiTempMaster float switch, a wide-angle SJE Rhombus float switch designed for temperatures up to 200°F (93°C).
👉 View the SJE HiTempMaster Float Switch for high-temperature sump and wastewater applications.
View Compatible Pump Options
Looking to pair your SJE PumpMaster Plus float switch with the right pump? Cleanflow offers a wide selection of compatible pump solutions for sump, sewage, and dewatering systems.
Shop Submersible Dewatering Pumps – Ideal for draining basins, basements, and construction job sites.
Browse Submersible Trash Pumps – Designed for handling debris-laden water in demanding environments.
👉 All options are available at Cleanflow with shipping across Canada and the USA.
Installation Overview
Secure float cable with included clamp
Adjust tether length
Plug into a power outlet
Plug the pump into the piggyback plug
Test operation
Upgrade Your Pump System with the SJE PumpMaster Plus
The SJE PumpMaster Plus float switch delivers reliable, automatic pump control with durable construction and easy installation. Whether you need a pump float switch for a sump system or a heavy-duty SJE PumpMaster switch for wastewater applications, this model is built to perform.
At Cleanflow, we supply high-quality SJE Rhombus float switches and pump control solutions to customers across Canada and the USA, ensuring fast shipping, competitive pricing, and trusted service for both residential and commercial applications.
If you're looking for more advanced monitoring and protection, explore our full range of SJE Rhombus Controls & Alarms.
FAQs
What is an SJE PumpMaster pump switch?
The SJE PumpMaster pump switch is a mechanically activated float switch that automatically turns pumps on and off based on liquid level.
Is this a piggyback float switch?
Yes, the SJE PumpMaster Plus is a piggyback float switch, allowing easy plug-and-play installation.
Can this be used as a sump pump float switch?
Yes, this SJE PumpMaster float switch is commonly used in sump pump systems and is ideal for replacements.
What is a pump-down float switch?
A pump-down float switch activates the pump when water levels rise and turns it off when levels drop.
What makes SJE Rhombus float switches reliable?
SJE Rhombus float switches are known for their durability, high load capacity, and consistent performance in demanding environments.
How do you properly install the SJE PumpMaster Plus float switch?
To install the SJE PumpMaster Plus float switch, secure the float cable to the pump discharge pipe using the included stainless steel clamp, then adjust the tether length to set the desired activation range. Plug the SJE piggyback float switch into a power outlet and connect the pump to the piggyback plug.
What should you check before installing a piggyback float switch?
Before installing the SJE PumpMaster pump switch, ensure that:
The outlet voltage matches the float switch and pump voltage
The electrical outlet is not located inside the pump chamber
The float cable is not damaged and can move freely
The tether length is set correctly for proper operation
Following these steps helps ensure safe and reliable performance of your SJE PumpMaster float switch.
Usually ships same or next day. 
