1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the Geberit 240839001 Final Assembly Set. This set is specifically designed for use with Geberit AquaClean 8000 flush-mounted cisterns, enabling top or front actuation. Please read these instructions carefully before installation and retain them for future reference.
2. Product Components
The Geberit 240839001 Final Assembly Set includes the necessary components for connecting and actuating your AquaClean 8000 system. Key components include:
- Flexible hose with connection fittings
- Components for top or front actuation
- Sealing elements

Figure 1: Overview of the Geberit 240839001 Final Assembly Set, featuring the flexible hose and various connection points.

Figure 2: Close-up view of a specific connection fitting included in the assembly set.
3. Setup and Installation
Safety First: Before beginning any installation, ensure the main water supply to the toilet is turned off. Wear appropriate personal protective equipment (PPE) if necessary.
3.1. Tools Required (Not Included)
- Adjustable wrench or spanner
- Screwdriver (appropriate type for cistern access)
- Towel or bucket for residual water
3.2. Installation Steps
- Prepare the Cistern: Access the flush-mounted cistern according to your AquaClean 8000 model's instructions. Ensure the cistern is empty of water.
- Connect the Flexible Hose: Carefully connect one end of the flexible hose to the water inlet within the cistern and the other end to the designated connection point for the AquaClean 8000 unit. Ensure all connections are hand-tightened first, then gently secured with a wrench. Do not overtighten.
- Install Actuation Components: Assemble and install the top or front actuation components as per the specific instructions for your AquaClean 8000 model. This typically involves securing levers or buttons to the cistern frame.
- Check for Leaks: Slowly turn on the main water supply. Inspect all connections for any signs of leakage. If leaks are detected, turn off the water supply immediately and re-tighten the connections.
- Test Functionality: Once satisfied with the connections and absence of leaks, test the flushing mechanism to ensure proper operation.
- Close Cistern: Securely close the cistern access panel.
4. Operating Instructions
Once the Geberit 240839001 Final Assembly Set is correctly installed, it enables the proper functioning of your Geberit AquaClean 8000 flush-mounted cistern. The set facilitates the connection for water supply and the mechanism for top or front actuation of the flushing system. Operation of the AquaClean 8000 unit itself is detailed in its dedicated user manual.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Geberit assembly set.
- Periodic Inspection: Periodically check all visible connections for any signs of wear, corrosion, or leaks. Address any issues promptly.
- Cleaning: The external components can be cleaned with a soft, damp cloth and mild soap. Avoid abrasive cleaners or harsh chemicals, as these can damage the material.
- Water Quality: In areas with hard water, mineral deposits may accumulate over time. If you notice reduced performance, consult a qualified plumber.
6. Troubleshooting
This section addresses common issues you might encounter.
- Leakage at Connections:
Solution: Turn off the water supply. Gently tighten the connections with a wrench. Ensure sealing washers are correctly seated and not damaged. If the leak persists, replace the washer or consult a plumber.
- Flushing Mechanism Not Responding:
Solution: Check the connection of the actuation components. Ensure they are correctly aligned and not obstructed. Refer to your AquaClean 8000 manual for specific actuation mechanism troubleshooting.
- No Water Flow to AquaClean Unit:
Solution: Verify that the main water supply is fully open. Check the flexible hose for kinks or obstructions. Ensure all connections are secure.
For issues not covered here, please contact Geberit customer support or a qualified plumbing professional.
7. Specifications
| Attribute | Detail |
|---|---|
| Brand | Geberit |
| Model Number | 240839001 |
| Material | Silber (Silver-colored components) |
| Color | Silver |
| Item Weight | 4.2 ounces (approximately 119 grams) |
| Product Dimensions | 12.4 x 2.36 x 1.38 inches (approximately 31.5 x 6 x 3.5 cm) |
| Nominal Wall Thickness | 2.5 millimeters |
| Compatibility | Geberit AquaClean 8000 flush-mounted cisterns (UP200) |
| Actuation Type | Top / Front actuation |
8. Warranty Information
Specific warranty terms for the Geberit 240839001 Final Assembly Set are provided by Geberit. Please refer to the original product packaging, the official Geberit website, or contact Geberit customer service for detailed warranty information and registration procedures. Keep your proof of purchase for warranty claims.
9. Customer Support
For technical assistance, spare parts, or any questions regarding the Geberit 240839001 Final Assembly Set, please contact Geberit customer support.
- Online: Visit the official Geberit website for support resources, FAQs, and contact forms.
- Phone: Refer to the Geberit website or product packaging for regional customer service telephone numbers.
When contacting support, please have your product model number (240839001) and proof of purchase readily available.





