NaturalFlow NF8000 Advanced Primary Treatment System

$16,000 – $19,000*
*Price indication
Rotomolded Plastic

The NF8000 system is an advanced primary treatment system capable of processing up to 1600L per day.

The NaturalFlow Series NF8000 Treatment System, developed and manufactured in New Zealand for New Zealand conditions, is designed to quickly and efficiently turn all your wastewater into high-quality irrigation water, through biological purification techniques and processes, that require no electricity or moving parts.

As a result of this; maintenance and operational costs are extremely low, and reliability maximized.

  • Category
    Wastewater Management, Primary Treatment Systems
  • Range
  • Brand
  • Warranty
    15 years
  • Commonly used for 3 – 8 bedroom houses, sleep-outs, baches, recreational and transportable dwellings, farm accommodation or rural commercial facilities with up to 40 day staff, schools, marae, camp grounds, holiday homes, motels, golf clubs, cafés, stables or other animal facilities
  • Land application systems – LPED surface or subsurface, ETS bed, soakage bed, conventional trenches, mounds, sand trenches and arches (not suitable for PCDI dripline)

It is made up of 2 separate modules:

SXL5000 Wormorator Module

  • 4000L nominal capacity
  • 1800mm diameter
  • 2200mm across the feet
  • 1700mm height

Dose Chamber

  • 1600L nominal capacity
  • 1300mm diameter over main body
  • 730mm riser diameter
  • 2100mm height


Scope of use

The NaturalFlow Series NF8000 Treatment System was developed to meet the needs of rural New Zealanders for a robust, cost-effective wastewater solution for 3 - 8 bedroom houses, sleepouts, baches, recreational dwellings, farm accommodation, rural commercial facilities with up to 40-day staff, schools, marae, campgrounds, holiday homes, motels, golf clubs, cafés, stables or other animal facilities.


Waterflow NZ Ltd warrants that the NaturalFlow system will be free from defects in material and workmanship for the following periods of time from the date of installation as set out in the following conditions:

  1. Roto-molded tanks and components 15 years
  2. Filter media 15 years
  3. Dosing float and/or pumps 2 years
  4. Waterflow NZ Ltd will at its discretion replace or repair such components that prove to be faulty with the same or equivalent part at no charge
  5. Warranty of operation only covers the performance of the NaturalFlow systems as connected to the effluent inflow for which they are designed and also installed to the criteria as set out in the relative installation instructions and procedures

Warranty excludes defects due to:

  1. Failure to use the system in accordance with the owner's manual
  2. A force majeure event outside the reasonable control of Waterflow NZ Ltd as such but (not limited to) earthquake, fire, flood soil subsidence groundwater table variations or plumbing fault
  3. Modifications to surrounding landscape after installation
  4. The actions of a third party
  5. the system required to bear loads (either hydraulic or biological) greater than that for which it was designed
  6. Any modifications or repairs are undertaken without the consent of Waterflow NZ Ltd

Capable of treating a total daily flow volume of 1600 litres to partial secondary treatment level.

SKU: NF8000

Projects featuring
NaturalFlow NF8000 Advanced Primary Treatment System

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As an exceptional septic tank alternative, NaturalFlow is the wastewater solution for New Zealand’s rural homes and businesses. These robust, power-free sewage treatment systems in NZ have very few maintenance requirements and are cost-effective throughout their lifetime, making them good replacements for traditional septic tanks.

As a trusted wastewater treatment company, they are committed to delivering nationwide installation and quality support on time, every time. Find out how nature is harnessed to treat wastewater and the benefit from the NaturalFlow difference today.