Red Sea ReefRun G2 DC Pump

Red Sea ReefRun G2 DC Pumps are powerful, energy-efficient and extremely quiet return pumps designed for marine and reef aquariums.

The G2 range combines high flow rates with variable-speed control, compact construction and flexible plumbing options. Each pump includes local flow control, while optional ReefBeat connectivity allows advanced control, scheduling and integration with other Red Sea smart aquarium equipment.

Available in four sizes, the ReefRun G2 range provides options for small reef aquariums through to large, high-flow systems.

Available Models

• ReefRun G2 4000

• ReefRun G2 6000

• ReefRun G2 8000

• ReefRun G2 12000

Key Features

• Powerful variable-speed DC return pump

• Extremely quiet operation

• Energy-efficient DC motor

• Local flow adjustment

• Multiple flow settings

• Compatible with Red Sea ReefBeat smart control

• Can be connected to a ReefRun Dual Controller

• Feed and maintenance control through ReefBeat

• Flexible plumbing connections

• Includes PVC pipe adaptors and hose-barb fittings

• Compact design for easy sump installation

• Suitable for marine and reef aquariums

• Four sizes available to suit different aquarium volumes and head heights

ReefRun G2 4000

Designed for smaller reef aquariums requiring efficient and controllable return flow.

• Flow Range: 2,000–4,000L/h

• Maximum Head Height: 3.4m

• Power Consumption: 16–38W

• PVC Pipe Adaptor: 25mm

• Hose Barb: 17mm / 25mm

• Thread Connection: ¾"

ReefRun G2 6000

A versatile return pump suited to medium-sized reef aquariums.

• Flow Range: 3,600–6,500L/h

• Maximum Head Height: 4.4m

• Power Consumption: 22–56W

• PVC Pipe Adaptors: 25mm / 32mm

• Hose Barbs: 25mm / 32mm

• Thread Connection: 1"

ReefRun G2 8000

Designed for larger reef systems requiring increased flow and pressure.

• Flow Range: 4,100–8,300L/h

• Maximum Head Height: 5.3m

• Power Consumption: 24–73W

• PVC Pipe Adaptor: 32mm

• Hose Barbs: 25mm / 32mm

• Thread Connection: 1"

ReefRun G2 12000

The largest model in the range, designed for large reef aquariums and systems requiring high return flow.

• Flow Range: 5,000–12,000L/h

• Maximum Head Height: approximately 5.9m

• Power Consumption: 33–105W

• PVC Pipe Adaptors: 32mm / 40mm

• Hose Barbs: 25mm / 32mm

• Thread Connection: 1"

Smart Control

ReefRun G2 pumps can be operated directly using their local flow controller, allowing pump output to be adjusted without requiring an app.

For advanced control, the pump can be connected to a Red Sea ReefRun Dual Controller, allowing integration with the ReefBeat ecosystem.

Through ReefBeat you can:

• Adjust pump flow

• Create customised schedules

• Activate Feed Mode

• Activate Maintenance Mode

• Integrate the pump with Emergency Mode

• Monitor pump operation

• Receive system notifications

• Coordinate the return pump with other Red Sea smart equipment

ReefRun Dual Controller

The ReefRun Dual Controller is available separately and can operate up to two compatible ReefRun devices.

This allows a ReefRun return pump and REEFER DC Skimmer to share a single controller, helping reduce equipment and cabling inside the aquarium cabinet.

Flexible Installation

Each ReefRun G2 includes multiple plumbing options to make installation easier across a wide range of aquarium systems.

PVC adaptors, hose-barb connections and threaded fittings provide flexibility whether the aquarium uses hard plumbing or flexible tubing.

Quiet & Efficient Operation

The DC motor provides strong water movement while maintaining low power consumption and quiet operation.

Variable-speed control allows the pump to be matched precisely to the aquarium’s required return flow rather than relying on valves to restrict an oversized fixed-speed pump.

The Red Sea ReefRun G2 range is an excellent choice for reef keepers wanting a quiet, efficient and controllable return pump with the option of full smart aquarium integration.