The SUNSUN HJ-531 Pump is a dependable and efficient submersible water pump designed for a wide range of aquarium and water circulation applications. Built with a durable motor and precision impeller, it delivers steady water flow while maintaining low power consumption and minimal noise. Ideal for small to medium aquariums, sump systems, fountains, and water features, the HJ-531 ensures proper circulation, oxygenation, and filtration support. Its compact design allows for easy placement in tight spaces, while the fully submersible construction ensures safe and continuous operation. Known for reliability and longevity, SUNSUN pumps are widely used by hobbyists and professionals alike, making the HJ-531 a trusted choice for everyday aquarium needs. Key Features & Benefits Compact and efficient submersible water pump Stable and consistent water flow Energy-efficient with low power consumption Quiet operation with minimal vibration Suitable for aquariums, sumps, and fountains Easy to install and maintain Product Specifications Brand: SUNSUN Model: HJ-531 Pump Type: Submersible Power Consumption: Approx. 18–20 W Maximum Flow Rate: Up to 1000 L/H (approx.) Maximum Head Height: Approx. 1.6 m Voltage: 220–240V Frequency: 50 Hz Application: Aquarium, sump, fountain, water circulation Recommended For Small to medium aquariums Sump filtration systems Water circulation and oxygenation Indoor fountains and water features Aquarium maintenance and water transfer Usage & Maintenance Notes Ensure pump is fully submerged before operation Clean impeller and intake periodically Do not operate pump dry Use appropriate hose size for best flow performance Follow electrical safety precautions
