Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Eheim Installation Set 1. This set is designed for the suction side of external aquarium filters, specifically for hoses with a diameter of 12/16 mm. It allows for easy water filling from the top of the connector and convenient hose removal for cleaning.
Safety Information
- Always disconnect power to all connected aquarium equipment before performing any installation, maintenance, or cleaning.
- Ensure all connections are secure and watertight to prevent leaks.
- This product contains small parts. Keep out of reach of children.
- Verify the product size and compatibility with your existing filter system before installation. This set is for 12/16 mm hoses.
Package Contents
Please check that all components are present and undamaged before proceeding with installation.

Image: All components of the Eheim Installation Set 1, including the main suction pipe assembly, various connectors, O-rings, and mounting clips.
- Suction pipe assembly (extendable)
- Hose connector (for 12/16 mm hose)
- O-rings for secure connections
- Suction cups and clips for mounting
- Various extension tubes and adapters
Setup and Installation
This installation set is designed for the suction (intake) side of your external filter. It is suitable for all external filters and can be easily assembled and adjusted to fit various aquarium sizes.
Assembly Steps:
- Prepare Components: Lay out all parts and ensure they are clean.
- Connect Hose Coupling: Attach the hose coupling to the main suction pipe. Ensure O-rings are properly seated for a watertight seal.
- Assemble Suction Pipe: Connect the various pipe sections and the intake strainer to achieve the desired length for your aquarium. The design allows for modular assembly.
- Attach Mounting Clips: Secure the suction cups and clips to the pipe assembly. These will hold the pipe firmly against the aquarium glass.
- Connect to Filter Hose: Connect the assembled suction pipe to the 12/16 mm intake hose of your external filter. Ensure a tight and secure connection.

Image: Detailed diagram illustrating the assembly process for the suction side of the Eheim Installation Set 1, showing how various components connect.
Placement in Aquarium:
Position the assembled suction pipe inside your aquarium, ensuring the intake strainer is submerged and positioned to draw water effectively. Use the suction cups to secure it to the aquarium glass.
Operating Instructions
The Eheim Installation Set 1 simplifies the process of starting your filter and performing maintenance.
Easy Filter Start (Water Filling):
This set allows for easy filling of the suction hose, which is crucial for priming and starting your external filter. Simply fill water from the top of the connector until the hose is full and the filter is primed. This eliminates the need for manual suction or complex priming procedures.

Image: The product packaging highlighting the "Easy Cleaning Function" and "Easy filling of the suction hose for quick and simple start up" features.
Maintenance and Cleaning
Regular cleaning of the suction pipe and strainer is essential for maintaining optimal water flow and filter performance.
- Disassembly for Cleaning: The hose can be easily removed from the connector for convenient cleaning. Disassemble the pipe sections as needed to thoroughly clean any accumulated debris or algae.
- Cleaning Method: Use a brush or pipe cleaner designed for aquarium equipment to remove any buildup inside the pipes and on the strainer. Rinse thoroughly with clean water.
- Reassembly: After cleaning, reassemble all components, ensuring O-rings are in place and connections are secure before reconnecting to your filter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Reduced Water Flow | Clogged intake strainer or pipes. | Disassemble and thoroughly clean the suction pipe and strainer. |
| Leaks at Connections | Improperly seated O-rings or loose connections. | Check all O-rings for damage or displacement. Ensure all connections are tightened securely. |
| Difficulty Priming Filter | Air trapped in the suction line. | Ensure the suction pipe is fully submerged. Use the top connector to fill the hose completely with water before starting the filter. |
Specifications
- Model: Eheim Installation Set 1 (Suction Side)
- Part Number: 4004300
- Hose Compatibility: φ 12/16 mm
- Product Dimensions (W x D x H): 4.3 x 2.6 x 8.9 inches (11 x 6.5 x 22.5 cm)
- Item Weight: 7.8 oz (220 g) / 195 Grams
- Material: Plastic
- Operation Mode: Manual

Image: The Eheim Installation Set 1 product in its retail packaging, showing the brand and key features.
Warranty and Support
Eheim products are known for their quality and reliability. This product is a genuine Eheim accessory. For any questions regarding installation, operation, or troubleshooting not covered in this manual, please contact Eheim customer support or visit the official Eheim website for further assistance.
Always ensure you are using genuine Eheim accessories and parts for optimal performance and longevity of your aquarium system.
Official Website: www.eheim.com





