The Rocla ecoRain® rainwater utilisation system is more than a rainwater tank. It’s a complete, self-contained water supply system that harvests rainwater for daily use.

Rainwater is collected from the roof, stored out of sight in an underground concrete tank, then pumped back to garden taps, toilets and laundry. When the tap is turned on, an automatic electric pump provides instant, mains-pressure rainwater.

Built-in self-cleaning filter and skimmer lowers contaminant build up, meaning the filter requires maintenance only twice a year. It collects up to 95% of annual rainwater run-off.

There are three standard tank models (3000, 5000 and 10,000 litres) and larger non-standard models with unlimited tank sizes also available.


  • Residential housing
  • Residential developments
  • Public dwellings / amenities i.e. bowling clubs
  • Small multi-developments i.e. nursing homes, townhouse estates
  • Commercial developments
  • Industrial developments