Rainwater tanks overground from GRAF

Herkules-Tank

Multi-purpose – above-ground underground and basement. The Herkules tank with the incomparable price-performance ratio. Groundwater-stable!

Top tank

Large storage capacity at an attractive price

Collection tank upright

Tank for overground collection of rainwater. Available in sizes 2,000 to 9,000 l.

Cellar tank

Tank to collect rainwater for overground installation in the cellar.

Large‑capacity GRAF Rainwater tanks

Our rainwater tanks offer high storage capacity and excellent value for money. Selected models can be combined to achieve high rainwater harvesting volumes. Other tanks, such as Herkules or the Top‑Tank, are designed for easy transport and simple manual installation.