The 6500-liter water treatment plant with a fixed lid, reference GA90043, is specifically designed to offer a highly efficient and sustainable solution for second homes, single-family homes, and properties where connection to the main sewer system is not possible. This advanced wastewater treatment system guarantees optimal treatment adapted to comfortably and safely serve an occupancy of between 8 and 10 people.

Thanks to its total oxidation technology, this septic tank with treatment plant performs a multi-stage biological purification process that effectively removes organic matter from grey and black water. The result is high-quality treated water that meets current environmental regulations, allowing for authorized discharge or reuse for irrigating gardens without environmental risk.

Made with top-quality materials, this water treatment plant stands out for its exceptional durability, structural strength, and watertight seal. Its compact design facilitates underground installation, while its fixed cover ensures safety and prevents unpleasant odors from escaping. It's the perfect investment for those seeking peace of mind, low maintenance, and quiet, automated operation at their second home.

Main Features

• Total capacity of 6500 liters, ideal to cover the needs of 8 to 10 equivalent inhabitants.


• Total oxidation purification system for superior purification performance.


• Includes a heavy-duty fixed lid for added security and odor isolation.


• Robust and watertight design, prepared to withstand ground pressure after underground installation.


• Automatic operation with low energy consumption and minimal sludge generation.


• Suitable for complying with the regulatory requirements for waste disposal in second homes and rural areas.


• Product reference: GA90043.

Frequently Asked Questions

How many people is this 6500 liter water purifier recommended for?

This model is sized to efficiently meet the sanitation needs of 8 to 10 inhabitants, making it ideal for large second homes, country houses, or family homes used frequently or occasionally.

What type of maintenance does the total oxidation system require?

Maintenance is simple and mainly consists of periodic checks of the control panel, air compression, and periodic emptying of the sludge accumulated in the main compartment, the frequency of which will depend on the actual use of the installation.

Can the resulting water be reused?

Yes, the biological process of total oxidation achieves a high level of purification. The purified water obtained can be used for subsurface irrigation of green areas or infiltrated into the ground, as permitted by local regulations in each region.

Is the installation complicated?

The installation must be carried out following the technical instructions for underground installation, ensuring a firm base and proper perimeter backfill. It is recommended to use qualified sanitation professionals to guarantee optimal and safe commissioning.