The 13,000-liter wastewater treatment plant for second homes is the definitive and highly efficient solution for comprehensive wastewater management in single-family homes, country houses, and residential complexes with 15 to 18 occupants. Designed with state-of-the-art total oxidation technology, this septic tank with a fixed lid guarantees optimal water treatment, complying with the most stringent environmental and discharge regulations.

This advanced system stands out for its fully automated and silent operation. Unlike traditional septic tanks, the complete oxidation process aerobically decomposes organic matter, effectively eliminating unpleasant odors and producing high-quality treated water that can be reused for garden irrigation or disposed of without any negative environmental impact. Its large 13,000-liter capacity makes it the ideal choice for reliably meeting the needs of large families or extended stays in second homes.

Manufactured from highly resistant and durable thermoplastic materials, this water treatment plant perfectly withstands soil pressure and corrosion, ensuring a long lifespan with minimal maintenance costs. The addition of a robust fixed cover allows safe access to the interior while protecting the system from external agents, optimizing the long-term investment.

Main Features

• Total capacity of 13000 liters, ideal to cover 15 to 18 equivalent inhabitants.


• Total oxidation purification system for superior wastewater treatment.


• Optimized design specifically for second homes and homes isolated from the sewer network.


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


• Automatic, silent operation and free of unpleasant odors.


• Structure made of anti-corrosive materials for maximum durability and long service life.


• Low energy consumption and minimal periodic maintenance requirements.


• Product reference: GA90045.

Frequently Asked Questions

How many people is this 13000 liter water purifier recommended for?

This model is specifically sized to efficiently serve a range of 15 to 18 inhabitants, making it perfect for large second homes, rural houses, or small communities.

Does the total oxidation system produce bad odors?

No. Thanks to the aerobic biological process implemented by total oxidation technology, the decomposition of organic matter takes place in the presence of oxygen, which completely prevents the generation of gases and unpleasant odors.

Can the resulting water be reused?

Yes, the water treated by this system reaches a very high level of purification, allowing it to be safely infiltrated into the ground or used for watering green areas and gardens.

What type of maintenance does a septic tank require?

The system features automated operation, minimizing maintenance. Periodic inspection of the electrical panel and compressor is recommended, as well as emptying accumulated sludge according to the manufacturer's instructions.

Is it difficult to install in second homes?

Installation is straightforward and it's designed to be easily buried in the ground. Thanks to its robust structure and fixed lid, it blends securely and discreetly into the garden or exterior of the property.