SUNSUN GRECH CTP-20000 High-Flow Submersible Water Pump
The SUNSUN GRECH CTP-20000 is a powerful, high-capacity submersible water pump designed for large aquariums, koi ponds, fish farms and demanding filtration systems. Delivering an impressive maximum flow rate of 20,000 L/H with a maximum pumping height of 10 metres, it provides strong and reliable water circulation for large-scale aquatic setups.
Featuring electronic frequency conversion technology, an energy-efficient motor and a durable ceramic shaft, the CTP-20000 is designed for dependable continuous operation. Its large filter basket helps capture larger debris, while the low-level water suction design makes it suitable for various pond and aquarium applications.
Key Features
- High-Capacity Water Flow: Delivers up to 20,000 L/H for powerful water circulation.
- High Pumping Head: Maximum lifting height of 10 metres for demanding water transfer applications.
- Energy-Saving Technology: Electronic frequency conversion technology helps improve operating efficiency.
- Low-Noise Operation: Designed for quiet and efficient performance.
- Low-Level Water Suction: Helps draw water from lower levels for effective circulation.
- Large Filter Basket: Helps prevent larger debris from entering the pump.
- Durable Ceramic Shaft: Wear-resistant ceramic shaft supports long-term operation.
- Blockage Protection: Designed with protection against motor damage caused by blockage.
- Freshwater & Saltwater Compatible: Copper-free construction makes it suitable for compatible marine and freshwater systems.
- Versatile Applications: Suitable for aquariums, ponds, waterfalls, fountains and filtration systems.
Specifications
- Brand: SUNSUN / GRECH
- Model: CTP-20000
- Product Type: High-Flow Submersible Water Pump
- Power Consumption: 200W
- Maximum Flow Rate: 20,000 L/H
- Maximum Pumping Head: 10m
- Voltage: AC 220–240V
- Frequency: 50/60Hz (check supplied unit rating)
- Power Cable Length: 5m
- Hose Connections: 1″, 1¼”, 1½” and 2″
- Weight: Approximately 4.2kg
- Dimensions: Approximately 228 × 150 × 178mm
Ideal For
- Large freshwater and marine aquariums
- Koi ponds and garden ponds
- Large sump filtration systems
- Fish farms and aquaculture facilities
- Waterfalls and water features
- Large-scale water circulation and transfer systems
Installation & Maintenance
Position the pump securely in the water and connect the appropriate hose adapter to your filtration or water circulation system. Ensure the intake basket is correctly fitted and the pump receives an adequate water supply during operation.
Clean the filter basket and impeller regularly to prevent debris accumulation. Disconnect the electrical supply before removing or servicing the pump. Always follow the manufacturer’s installation instructions and ensure the electrical connection is protected from water exposure.
Choose the SUNSUN GRECH CTP-20000 for powerful 20,000 L/H water circulation, high lifting performance and reliable operation in demanding aquarium and pond filtration systems.






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