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TANKLESS™ Underground Rainwater Storage collects quality surface rainwater.

A cavity (sump) is excavated and lined with a unique everlasting hydroshield, topped with a bedding layer of sand and water collection cells, then backfilled with screenings to completely and safely seal the original cavity.

That means it’s safe enough to park your car on. (making it ideal for installation in driveways and/or carports!)


TANKLESS™ has been independently weight tested to 3 tonnes.

The TANKLESS system is not solely reliant on roof rainwater and can collect rainwater from:

Quality surface water filtration
Paved areas (rainwater run off)
Driveways (rainwater run off)

Rainwater collected and stored in TANKLESS™ can be used for:

Watering gardens and lawns (TANKLESS™ allows for easy connection to drip systems and other automated watering systems)
Washing cars, boats, caravans
Toilet flushing
Laundry connection

Note: Rainwater collected in TANKLESS™ is not recommended for drinking.

When you consider than 20% of rainwater in a typical household is used outdoors and another 14% is used just to flush your toilet, TANKLESS™ can achieve the volume of rainwater needed safely and effectively.

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