1. Introduction
Thank you for choosing the SOBO WP-5000 Silent Submersible Water Pump. This pump is designed for reliable and quiet operation in various aquatic environments, including fish tanks, aquariums, ponds, and fountains. It is suitable for both fresh and saltwater applications. Please read this manual carefully before installation and operation to ensure proper use and longevity of the product.

Image 1.1: The SOBO WP-5000 submersible water pump, showcasing its compact design and integrated handle.
2. Safety Instructions
- Always disconnect the power supply before performing any maintenance, installation, or cleaning.
- Ensure the pump is fully submerged in water during operation. Running the pump dry can cause damage and void the warranty.
- Verify that the voltage indicated on the pump label matches your local power supply (220-240V).
- Do not operate the pump if the power cord or plug is damaged.
- Keep the power cord away from sharp objects and hot surfaces.
- This pump is designed for water circulation only. Do not use it for flammable liquids or other non-water applications.
- Ensure the pump is placed on a stable surface within the water to prevent movement.
3. Product Overview
3.1 Features
- Low Power Consumption: Designed for energy efficiency.
- High Efficiency & Stable Performance: Provides consistent water flow.
- Fully Submersible Motor: Ensures quiet and reliable operation underwater.
- Extremely Quiet Operation: Minimizes noise in aquatic environments.
- Durable Construction: Features a wear-resistant ceramic shaft for extended lifespan.
- Versatile Use: Suitable for both fresh and saltwater applications.
- Adjustable Flow Rate: Allows control over water output.
- Easy Maintenance: Detachable pump head for convenient cleaning.
- Secure Placement: Equipped with strong suction cups for stable mounting.
3.2 Components
The SOBO WP-5000 pump includes the main pump unit, an outlet nozzle, and suction cups for mounting.

Image 3.1: The SOBO WP-5000 pump shown with its included accessories, including the outlet nozzle and suction cups.
4. Specifications
| Specification | Value |
|---|---|
| Model | WP-5000 |
| Voltage | 220-240V |
| Power | 60W |
| Maximum Head Lift | 3 meters |
| Maximum Flow Rate | 3000 Liters/Hour |
| Color | Black |
| Material | Stainless Steel (shaft), High-quality Rubber (suction cups) |
| Product Dimensions (L x W x H) | 20 x 15 x 15 cm |
| Item Weight | 1.05 kg |
| Power Source | Corded Electric |

Image 4.1: Diagram illustrating the dimensions of the SOBO WP-5000 submersible pump.
5. Setup
- Unpack: Carefully remove the pump and all accessories from the packaging. Inspect for any damage.
- Attach Nozzle: Connect the appropriate hose or tubing to the pump's outlet nozzle. Ensure a secure fit to prevent leaks.
- Placement: Place the pump in the desired location within your aquarium, pond, or fountain. Ensure it is fully submerged in water.
- Secure Pump: Use the integrated suction cups on the bottom of the pump to firmly attach it to a clean, smooth surface inside the water. This prevents the pump from moving due to vibrations or water flow.
- Electrical Connection: Route the power cord safely, ensuring it does not create a tripping hazard and is not pinched. Plug the pump into a grounded electrical outlet that matches the specified voltage.
6. Operating Instructions
- Initial Start-up: Once the pump is correctly installed and fully submerged, plug it into the power outlet. The pump should start operating immediately.
- Flow Adjustment: If your model features an adjustable flow rate, locate the flow control switch or lever (if present) and adjust it to achieve the desired water flow.
- Monitoring: Observe the pump's operation for the first few minutes to ensure proper water circulation and no unusual noises.
- Continuous Operation: The pump is designed for continuous operation. However, regular checks and maintenance are recommended.
7. Maintenance
Regular maintenance is crucial for the optimal performance and longevity of your SOBO WP-5000 pump.
- Disconnect Power: Always unplug the pump from the power source before any maintenance.
- Remove from Water: Carefully remove the pump from its operating environment.
- Disassemble Pump Head: The pump head is detachable for easy access to the impeller. Gently twist or unclip the front cover to expose the impeller chamber.
- Clean Impeller: Remove the impeller and clean it thoroughly with a soft brush under running water. Remove any debris, algae, or mineral deposits that may have accumulated. Clean the impeller chamber and the ceramic shaft as well.
- Inspect Components: Check the power cord for any signs of wear or damage. Inspect the suction cups for degradation.
- Reassemble: Reassemble the pump head and impeller in reverse order, ensuring all parts are securely fitted.
- Frequency: Perform cleaning every 2-4 weeks, or more frequently if the water environment is particularly dirty.

Image 7.1: Close-up view of the impeller area of the pump, showing how to access it for cleaning.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power supply Impeller jammed Damaged motor | Check power connection and outlet Clean impeller and chamber Contact customer support (if under warranty) |
| Low water flow | Clogged intake/outlet Dirty impeller Kinked hose | Clean intake screen and outlet Clean impeller Straighten hose |
| Excessive noise/vibration | Foreign object in impeller Impeller worn or damaged Pump not securely placed | Clean impeller chamber Inspect/replace impeller Re-secure pump with suction cups |
| Pump stops intermittently | Overheating (due to low water level or blockage) Loose connection | Ensure pump is fully submerged and clear of blockages Check power plug and connections |
9. Warranty and Support
This product is manufactured by B&K Pet Shop. For any issues not covered in this manual, or for warranty inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
Please note that Amazon.sa offers a 15-day return policy for this item, which may cover initial defects or dissatisfaction. Refer to Amazon's return policy for details.
10. Important Notes
- Due to manual measurement, slight variations in product dimensions may occur.
- Product images may not perfectly reflect the actual color due to differences in display monitors.