6,500 litre GRAF Carat S House Direct Rainwater Harvesting System
This 6,500 litre Carat S House Direct Rainwater Harvesting system from GRAF is designed to be a simple domestic solution. Quick and easy to install, it has a submersible pressure activated pump which supplies harvested rainwater on demand to toilets, washing machines and external tap. It also features a Mains-on-Tap unit that tops up the tank whenever rainwater levels are low, guaranteeing a continued water supply for when the need arises.
Customer Notice: The processed water may be used to water the garden, flush toilets, wash clothes and as conventional cleaning water. It is Not suitable for consumption or personal hygiene
- Simple & quick to install
- On Demand Rainwater Supply – submersible pump supplies harvested to toilets, washing machine & external tap.
- Guaranteed Water Supply – tank topped up with mains supply when water level in the tank is low.
- Mains-on-Tap – quiet and conveniently sized unit that can fit in a cupboard for low visual impact.
- Innovative Float Sensor – ensures underground tank is kept supplied with mains water, but only the amount needed to supply demand whilst leaving as much volume as possible to collect rainwater when available.
Specifications:
Tank Type: Deep Dig
Capacity: 6,500 litres
Length: 2390mm
Width: 2190mm
Height: 2710mm
Inner Ø dome shaft: 650mm
Tank Weight: 220kg
Dome Shaft Weight: 9kg (pedestrian loading)/55kg (vehicle loading)
Warranty: 15 Years
Please Note: All dimensions are approximate (the manufacturer reserve a tolerance of +/- 3%) and the useful volume of the tanks may be up to 10% lower than the tank capacity, according to the connecting option. All images shown are used for illustration purposes only and may differ from the actual product supplied.














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