1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your EDEN 126 Aquarium Pump. Please read these instructions carefully before use and retain them for future reference.
2. Product Overview
The EDEN 126 Aquarium Pump is designed for water filtration and circulation in aquariums. It features a durable, super quiet, and low energy consumption design, equipped with a 6-level flow regulator. It is suitable for both freshwater and saltwater aquariums.

Image: The EDEN 126 Aquarium Pump, a compact black unit with suction cups on the bottom and a flow regulator dial on the front.
Key Features:
- Robust Aquarium Pump: Designed for filtering and circulating water in the aquarium, the EDEN 126 (800 l/h) is a powerful and robust pump suitable for submerged use.
- Long Lifespan: Thanks to its robust rotor design, the submersible pump has a long lifespan. It operates quietly, ensuring it does not disturb fish, even during continuous operation.
- Overload Protection: Equipped with thermal overload protection, the filtration pump can operate continuously without issues, ensuring better maintenance and increased oxygen circulation in the aquarium.
3. Setup and Installation
- Unpacking: Carefully remove the pump and all accessories from the packaging. Inspect for any damage.
- Placement: The pump is designed for submerged use. Place the pump entirely underwater in your aquarium. The suction cups on the base can be used to secure it to the bottom or side of the tank.
- Connecting Hoses: Attach appropriate hoses (not included) to the pump's outlet nozzle for water circulation or filtration systems as required. Ensure all connections are secure to prevent leaks.
- Power Connection: Once the pump is fully submerged and all connections are secure, connect the power cable to a suitable electrical outlet.
Important: Always ensure the pump is fully submerged before connecting to power to prevent damage from dry running.
4. Operating Instructions
The EDEN 126 pump is designed for continuous operation.
- Starting the Pump: After installation, simply plug the pump into the electrical supply. The pump will begin to operate immediately.
- Adjusting Flow Rate: The pump features a 6-level flow regulator. Rotate the dial on the front of the pump to adjust the water flow rate according to your aquarium's needs.

Image: A close-up view of the EDEN 126 pump's flow regulator dial, showing the adjustable settings.
The maximum flow rate is 800 l/h, and the maximum head height is 1.5 m.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your EDEN 126 pump.
- Disconnect Power: Always unplug the pump from the electrical outlet before performing any maintenance.
- Cleaning the Impeller:
- Carefully remove the front cover of the pump.
- Gently pull out the impeller assembly.
- Clean the impeller and its housing with a soft brush under running water to remove any debris, algae, or mineral deposits.
- Ensure the impeller spins freely before reassembling.
- Cleaning the Intake Grille: Clean the intake grille regularly to prevent blockages and maintain efficient water flow.
- General Cleaning: Wipe down the exterior of the pump with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Reassembly: Reassemble all parts in reverse order, ensuring they are securely fitted.
Frequency: It is recommended to clean the pump at least once a month, or more frequently depending on the water conditions and debris accumulation in your aquarium.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not starting | No power supply; Impeller jammed; Motor failure. | Check power connection; Clean impeller; Contact support if motor failure is suspected. |
| Reduced flow rate | Clogged intake/impeller; Flow regulator setting too low. | Clean intake grille and impeller; Adjust flow regulator to a higher setting. |
| Excessive noise/vibration | Impeller dirty or damaged; Pump not securely placed. | Clean or replace impeller; Ensure pump is firmly secured with suction cups. |
| Pump stops intermittently | Overheating (thermal overload protection activated); Blockage. | Unplug, let cool, then clean pump thoroughly; Ensure adequate water flow. |
If the problem persists after attempting these solutions, please contact EDEN customer support.
7. Technical Specifications
| Attribute | Value |
|---|---|
| Model Number | 57178 |
| Brand | Eden |
| Manufacturer | PFG |
| Dimensions (L x W x H) | 8 x 9 x 13.5 cm |
| Weight | 540 Grams |
| Color | Black |
| Power Source | Electric Cable |
| Voltage | 230 Volts (AC) |
| Flow Rate | 800 l/h |
| Max Head Height | 1.5 m |
| International Article Code (EAN) | 04010052571782 |
8. Warranty and Support
Information regarding spare parts availability is not available. For warranty claims or technical support, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty inquiries.
For further assistance, please refer to the official EDEN website: www.eden-aquaristik.com or contact their customer service department.






