GARANTIA Underground

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GARANTIA Stylish tanks

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Winter check
These measures ensure that your rain tanks are ready for winter!

Monolithic rainwater tank Columbus with tank dome and PE-lid.


Columbus rainwater underground tank 3700-9000 ltr for pedestrian loading

  • Monolithic rainwater tank Columbus with tank dome Ø 60 cm and 4 lip seals DN 100
  • Inclusive telescopic dome shaft with adjustable length from 22 to 70 cm, Ø 60 cm, and PE-lid double-walled with childproof protection.
  • Only one cover visible in the garden as the filter technology can be integrated in the tank.
  • Groundwater stable up to 80 cm from the tank bottom part.
  • Pre-drilled lip seals for easy and safe installation.
  • Simple installation of overflow and ductwork.
  • Can be expanded at will.

3,700 l

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4,500 l

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6,500 l

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9,000 l

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  • Water Connector external


  • Filter package Supra for Columbus tank


  • Rondo water spring unit


  • Granite water spring


  • Wood water spring


  • Stone fountains Roma


  • Stone fountains Venezia


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