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G Flow


The G-Flow system is a Grey Water diversion device developed for above ground installations for application where the Grey Water supply pipe is higher than the irrigated garden area. With easy installation into both new and existing homes, the G Flow is the economical option to keep your gardens green. Using water from the washing machine, or the evaporative air conditioner, the G Flow system diverts, filters, and disperses the water to the garden via Grey Flow Drip-Tube.

You can purchase the G Flow sytem via our online store or contact us for a package price including installation.



  • Can be set above ground, partially buried, or even wall mounted (with enclosed mounting brackets)
  • Can convert a hand moved single outlet hose from the clothes washer to a multiple (up to 6) zones watering system when used together with a GF-Rotor
  • Can spread water over a large area when used in conjunction with the GF Drip-Tube irrigation kits
  • Requires 240/110 Volts power supply (100Watt pump)
  • Use no smaller than 25mm Pipe on the discharge


  • Economical and compact automated design
  • Easy self-installation in both new and existing homes
  • Clog resistant, vortex pump with thermal protection
  • Specially design side mounted float switch
  • Simple, robust, and reliable design with no controller
  • Innovative self-drain and auto de-sludge mechanism
  • Diverts Grey Water from one 50mm (2") connection
  • Manually isolated when water is not required
  • Easy, hygienic, and low maintenance (3-6 months) with:
    • Easy to pull-out sludge trap basket
    • Extra large 4 layers graded vertical filter
  • Watermark and IAPMO certified
  • 2 Years warranty


From $1500 fully installed. Includes GFlow and Drip Tube Kit. Does not include Stage 1 works: Outdoor GPO, 50mm PVC sleeve from washing machine to outside laundry or DG (Disconnected Gully) however this can be quoted at greywater consultation

Click here to view the G Flow Greywater System Installation and Pricing Brochure

Upgrade Option

  • Upgrade to air assist self-cleaning mechanism (reduces maintenance of the filters to once a year)

Pictures of the G Flow Greywater System