This amount of free water at your fingertips will save you a lot of money, in addition to helping the planet!
With a suitable filter collector, you can easily connect it to your downspout and wash your car or water your garden with ease
Discover the special Hercule rainwater tank:
Gain autonomy over your water consumption! With this tank model you have a capacity of 1.6 m3 on a single tank available at all times, up to 4.8 m3 by combining the tanks.
Handle it more easily than a traditional plastic or concrete tank! Extremely light with its total 60 kg, you can carry it by hand.
This clever tank is easily transported in 2 x 30 kg, thanks to its separate shells before assembly, passes through doors to be installed in a basement.
It is equipped with a certified seal, attested and tested for the sake of quality, in order to last effectively over time.
Its very simple and patented closing system is ensured by its 24 clamping clips, and saves you precious time during assembly, before moving on quickly to the treatment system and/or connection of your choice.
Reinforced with UV protection to allow it great durability, its warranty extends up to 10 years. We recommend that you carefully follow the installation instructions and take care of the modules during installation and transport.
Water resource available all summer or all year if frost-free:
Never run out of water during periods of drought! The Hercule aerial tank adapts to your growing needs, thanks to its possibility of pairing.
With a suitable volume and untreated filtered water, this cistern allows you to benefit from free water to water the garden.
Thanks to the storage of rainwater, you escape prefectural orders prohibiting watering. Thus, you can strive for autonomy and prevent shortages.
Discreet for its large volume, the Hercule aerial tank is a green tank, which fits perfectly into your garden with its tone-on-tone colour.
GRAF tanks are the result of more than 45 years of know-how.
For an optimal user experience and to guarantee you the best of the rainwater tank, its design has been specially planned to guarantee its tightness, its robustness and its practicality.
Designed with the greatest care, the Hercule tank is robust and light to transport to facilitate its installation and use. It offers a comfortable and expandable amount of storage for watering your garden. It also provides optimal comfort of use and installation.
Indicates the filling level of overhead tanks and allows the use of the entire stored volume.
Consists of 2.15 m of flexible hose, a filling valve, a hole saw and a fastening clip.
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