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Graf One2Clean Sewage Treatment Plant 18 Person

An 18 person sewage treatment plant suitable for a larger property.

External Plastic Cabinet (Medium) Klaro 10-28, One2Clean 9-18

  • Graf White Medium Cabinet

SKU: G50010 Categories: ,


This 18 person One2Clean sewage treatment plant from Graf boasts two robust injection moulded tanks which through a process of aeration and sedimentation treat the wastewater. It can be discharged into a stream or watercourse.

It is a reliable and eco-friendly solution to dispose of your wastewater as it dispenses with the unnecessary extras, making it a cost-effective solution.

Key benefits:

  • Less energy consumption and less wear
  • No mechanical elements in the waste water
  • No pumps in the waste water
  • No electrical components in the waste water
  • Incredibly little sewage sludge

This kit price includes as standard:

  • Two 6,500l tanks
  • Two mini tank domes and mini telescopic dome shafts suitable for pedestrian loading*
  • Baffles
  • A control unit for indoor installation
  • Technical set up kit
  • 20m hose

*Optional extra:  2 x vehicle loading up to 3.5t composite plastic lids, maxi domes and telescopic dome shafts


2 years warranty on technology (compressor and parts)

10 years warranty on the tank

Options available:

Heavy Duty cover – vehicle loading up to 3.5t with a maxi tank dome, composite plastic telescopic lid.

Neck Extension – working height 305mm (total height 400mm).

Offloading is the responsibility of the customer

Take a look under the ‘More Information’ tab for further documentation.

People (Max.) Volume (litres) Length (mm) Width (mm) Height total (mm) Weight (kg)
Standard Cover 18 2 x 6,500 2 x 2,390 2,190 2,530-2,730 530
Heavy Duty Cover 18 2 x 6,500 2 x 2,390 2,190 2,850-3,050 570