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GRAF 5000 L ALL WATER TANK: a large volume tank for large families
Choose a traditional, large-capacity septic tank, suitable for the needs of large families or medium-sized collective dwellings.
The GRAF 5000 L septic tank provides complete pre-treatment of your domestic wastewater. It guarantees the separation of solid and liquid materials, their fermentation and decantation, thanks to its proven system with Anaerobix pre-filter.
Main features
Volume: 5000 liters, ideal for a household of 6 to 8 equivalent inhabitants (up to 8 main rooms).
Dimensions: length 4005 mm, width 1240 mm, height 1380 mm (up to 1780 mm with extensions).
Weight: approximately 199 to 211 kg depending on model.
Material: high quality polyethylene.
Accessories included: Anaerobix pre-filter, DN 400 telescopic risers.
Assets
Suitable for large households or holiday homes with multiple people.
Simple installation despite its volume, thanks to a tank that is lighter than concrete.
10-year warranty (subject to compliance with the installation instructions).
CE certified product and compliant with standard NF EN 12566-1.
Good to know
Must remain filled with water at all times, rainwater prohibited.
Must be coupled with a downstream treatment device (spreading, sand filter, infiltration mound, etc.).
Oil change every 2 to 4 years recommended.
Compatible with various GRAF sanitation accessories.
Installation validated by the SPANC is mandatory.
Options Details


- 5000 L
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