SUNSUN HJ-731 Submersible Water Pump

The SUNSUN HJ-731 Submersible Pump is a heavy-duty water pump engineered for large aquariums, sump filtration systems, and water features. Built with a robust motor and precision-balanced impeller, it provides strong and consistent water flow, ensuring efficient circulation, oxygenation, and filtration support.

With its high flow output and excellent head height, the HJ-731 is ideal for demanding applications such as large planted tanks, marine sumps, water transfer, fountains, and ponds. Despite its power, the pump operates quietly with low vibration, making it suitable for indoor use.

Fully submersible and designed for long-term reliability, the SUNSUN HJ-731 is widely trusted by aquarists and professionals for stable performance and durability.

Key Features & Benefits

• High-performance submersible water pump

• Powerful and stable water circulation

• Energy-efficient motor with strong output

• Quiet operation with minimal vibration

• Durable construction for continuous use

• Easy to install and maintain

Product Specifications

• Brand: SUNSUN

• Model: HJ-731

• Pump Type: Submersible

• Power Consumption: Approx. 50 W

• Maximum Flow Rate: Up to 3000 L/H (approx.)

• Maximum Head Height: Approx. 3.0 m

• Voltage: 220–240V

• Frequency: 50 Hz

• Application: Aquarium, sump, pond, fountain, water circulation

Recommended For

• Large aquariums

• Sump filtration systems

• Ponds and water features

• Water circulation and oxygenation

• Aquarium maintenance and water transfer

Usage & Maintenance Notes

• Fully submerge the pump before operation

• Clean impeller and intake regularly to maintain performance

• Do not operate the pump dry

• Use suitable hose diameter for optimal flow

• Follow electrical safety guidelines