SJE Double Float® Master Pump Switch Piggyback for 120/240V, Dual Mechanical Float, 3/4 - 2 HP Control, Adjustable 3"-48" Range, UL/CSA Listed

SJE Rhombus Double FloatMaster™ | Dual Piggyback Float Switch for Direct Pump Control

Reliable Two-Float Switch Assembly for Precise Pump Control in Tight or Turbulent Conditions

The SJE Rhombus Double FloatMaster™ is engineered for high-performance pump control in confined spaces, small diameter pits, and turbulent water conditions. Designed to handle 120V and 240V pumps (up to 2 HP), this non-mercury, mechanically-activated dual float switch offers a precise adjustable pump-down range of 3" to 48", giving you superior flexibility and accuracy. Whether you're managing sewage lift stations, sump pits, or wastewater systems, the Double FloatMaster delivers long-lasting, worry-free performance with minimal installation complexity.

This float switch system uses a piggyback plug design, allowing the switch to directly control the pump without a control panel—making it ideal for cost-effective installations or temporary setups. With UL and CSA listings, NSF-61 certification, and a 5-year warranty, this is a float switch assembly you can trust in both residential and commercial settings.

Key Features: Dual-Float Precision, Single Solution

• Dual-Float Design: Enhanced accuracy and stability in high-grease, turbulent, or narrow environments.

• Direct Pump Control:

  • 120V models: Control pumps up to ¾ HP

  • 240V models: Control pumps up to 2 HP

• High Capacity Ratings:

  • 15 amps Full Load Amps (FLA)

  • 90 amps Locked Rotor Amps (LRA)

• Adjustable Pump Down Range: 3” to 48” for versatile performance in different tank depths.

• Piggyback Plug: Easily connect pump without additional control panel—plug-and-play convenience.

• Manual Bypass Option: Simply plug pump directly into the outlet for manual operation.

• High-Quality Construction: Corrosion-resistant polypropylene float rated for use up to 140°F (60°C).

• Mounting Clamps Included: For easy installation and vertical adjustment.

• UL and CSA Listed: Tested for safety and performance in North America.

• NSF/ANSI 61 Certified: Approved for use in drinking water applications (250 US gallons or more).

• 5-Year Manufacturer’s Warranty: Long-term peace of mind.

Explore Compatible Options or Alternatives to the SJE Double Float Master

• SJE PumpMaster Plus Float Switch – Looking for a single float version? Check out the SJE PumpMaster Plus, ideal for standard residential pump applications.

• Float Switches & Accessories – Explore our full selection of float switches, cable weights, brackets, and installation tools.

• Tank Alarm Systems – Find compatible alarm panels and accessories to monitor water levels and system failures.

Piggyback feature simplifies pump control

The piggyback switch feature of the SJE Double FloatMaster simplifies pump control, allowing you to connect 120V or 240V pumps directly to the assembly without the need for a separate control panel or relay system. This versatile float switch assembly also enables manual pump operation when automatic control is not necessary, by plugging the pump into a 120V or 240V receptacle. With available cable lengths of 15', 20', and 30', the SJE Double FloatMaster can be customized to suit your specific needs.

Upgrade your pump controls with the SJE Double Float Master

Boost your pump control capabilities with the SJE Double FloatMaster Piggyback Float Switch Assembly – UL and CSA listed, NSF-61 rated, and backed by a 5-year manufacturer's warranty. Invest in this reliable and efficient pump control solution today for enhanced performance and peace of mind.

NOTE: This switch must be used with pumps that provide integral thermal overload protection.

A Pump Switch is designed for Horsepower (HP) rated loads and is not suitable for control (pilot duty) applications. It will fail prematurely when switching loads less than 1 Amp at 120 VAC. Select a float switch from our Control Switch offering for control applications.