GARANTIA Modular system

Put your system together individually from four components:

Cristall underground tank

  • incl. PE lid walk-in 1,600 l or 2,650 l
  • Recommended for garden irrigation
  • Easy to transport due to low weight from 65 kg (size 1,600 l)
  • Only one tank cover in the garden due to integrable filter technology
  • Pre-assembled lip seals for quick and safe installation
  • Groundwater stable up to 500 mm from tank bottom

Columbus underground tank

  • incl. PE lid accessible 3,700 l, 4,500 l and 6,500 l
  • Recommended for rainwater utilisation in house and garden
  • Only one tank cover in the garden due to integrable filter technology
  • Pre-assembled lip seals for quick and safe installation
  • Groundwater stable up to 800 mm from tank bottom

Telescopic dome shaft Cristall

The Cristall telescopic dome shaft has three pre-mounted DN 100 lip seals and is infinitely telescopic/shortenable. The telescope can also be tilted by 5°. This allows you to comfortably adjust your tank cover to your terrain surface with millimetre precision.

Telescopic dome shaft Columbus

The Columbus telescopic dome shaft is infinitely telescopic/shortenable. The telescope can also be tilted by 5°. This allows you to comfortably adjust your tank cover to your terrain surface with millimetre precision.

Tank cover passable (optional)

The max. axle load is 2.2 t and the max. vehicle weight is 3.5 t.
Car module consisting of a cast cover and a cast frame.


Filter-Ausbaupaket 1

  • Fiterkorb zum Einhängen in den Tankdom
  • Feinmaschige Filtration (Ø 0,035 cm)
  • Ideal auch zur Nachrüstung bestehender Anlagen
  • Traverse verstellbar von 47-69 cm
  • Dachfläche max. 200 m²
  • 100% Wasserausbeute

Ausbaupaket Cristall und Columbus

Bei Bedarf lassen sich die Erdtanks der Serie Cristall oder Columbus kostengünstig mit integrierter Filtertechnik ausrüsten. Mit dem Supra-Filter erhalten Sie eine Wasserqualität, welche die Verwendung des Regenwassers für WC-Spülung und Waschmaschine ermöglicht.

  • Supra-Filter Intern mit geradem (Cristall) oder gebogenem (Columbus) Abgang
  • Patentierte Schnellmontage-Manschette für den Rohr-an-Rohr-Anschluss
  • Überlaufsiphon mit Kleintierschutzfunktion 
  • Beruhigter Zulauftopf

Garden package PROline

  • Digital level indicator
  • Stainless steel submersible pump
  • External water socket
  • Pressure hose

House package PROline

  • Drinking water feeding module
  • Floating withdrawal
  • Labelling set
  • Wall duct DN 100
  • Suction hose