GRAF
Water Storage
Engineered for Australian conditionsSpecification-led, not off-the-shelfTechnical drawings & BIM availableNational distribution network
Residential & commercial rainwater harvesting

GRAF Carat underground tank
Manufacturer product photography with system steps listed alongside
Also in this system
System steps
Rainwater harvesting system
Rainwater is collected from roof catchments, pre-filtered, stored underground and reused for irrigation, toilets and laundry.
- 1Roof and gutter catchment - rainfall collected from impervious roof area
- 2Optimax or 3P Compact Rainwater Filter - leaf and debris pre-treatment before storage
- 3GRAF Carat / Platin underground tank - sized to roof area and reuse demand
- 4Pump and controls deliver water to garden irrigation, toilets and laundry




