Innoflow supplies and delivers off the shelf and custom residential wastewater system and onsite products, such as effluent filters, tank lids, effluent pumps, filters and control panels. We begin with the end in mind by offering environmentally sustainable treatment of wastewater flows.

When do you need an Onsite Wastewater System?

If your home is not connected to a central sewer system, you will need an onsite wastewater system to treat and discharge domestic wastewater generated from toilets, kitchens, bathrooms and laundries. Wastewater can be managed at the individual home level with an AdvanTex ® packaged wastewater system or alternatively, communities can be reticulated with use of pumped or gravity septic tanks (STEP or STEG) to a communal wastewater treatment plant.


Fibreglass Septic Tanks for Primary Treatment

All onsite system starts with an underground septic tank that receives the wastewater from the house. There, the raw waste naturally separates into settled solids, floating material and liquid effluent, a process called primary treatment. Primary treatment is a passive and very reliable process providing 70% of the necessary wastewater treatment with no energy input. As long as the tank is watertight, the solids remain in the tank for years, while microorganisms slowly break them down to a fraction of their volume

Innoflow supply and install reinforced fibreglass septic tanks, which come in two standard sizes, 4,000 litres and 6,000 litres. These tanks are rated for 1.2 meters cover and are one of the only Innoflow is the one of the only commercially available septic tanks that that conform to the strict structural and watertight standards of AS/NZS 1546.1 2008.
These septic tanks can be either supplied and fitted with an Orenco pumping package and controls (STEP Tank), or with a simple gravity outlet (STEG Tank), providing the option to pump primary treated effluent or gravity feed to land or sewer mains.


Packaged Residential AdvanTex ® Advanced Secondary Wastewater Systems

Secondary or advanced wastewater treatment is quickly becoming a standard requirement. Innoflow supplies two off-the-shelf packaged residential wastewater treatment systems which provide advanced secondary treatment. The AX15 is designed to treat up to 1,080 litres per day (about a 3 bedroom house) and the AX20 is recommended to up to 2,000 L/day (or a house with 4 bedrooms or more).

Read secondary treatment additional information.


The AdvanTex AX15

The AX15 is designed to treat up to 1,080 litres per day (about a 3 bedroom house), making it ideal for holiday homes, small batches or homes that are on limited water supply.

Orenco’s AdvanTex® AX15 is a completely pre-packaged “plug & play”. AdvanTex® Treatment System that installs as easily as a septic tank. Its simplified design reduces cost for excavation, installation and O&M, giving you quality wastewater treatment at a competitive price.

Quality Treatment, at a Competitive Price

Orenco’s AdvanTex® AX15 is a completely pre-packaged “plug & play” AdvanTex® Treatment System that installs as easily as a septic tank. Its simplified design reduces cost for excavation, installation and O&M, giving you quality wastewater treatment at a competitive price.

Quality Treatment, at a Competitive Price

Orenco’s AdvanTex® AX15 is a completely pre-packaged “plug & play” AdvanTex® Treatment System that installs as easily as a septic tank. Its simplified design reduces cost for excavation, installation and O&M, giving you quality wastewater treatment at a competitive price.

Low power and maintenance costs

Average power costs for the AdvanTex® system are $6 to $8 per month, that’s less than $100 per year. Maintaining the system is easy and comes with a maintenance contract upon installation. It also comes with an AdvanTex AX15 Warranty.

Read Advantex AX15 additional information.


The AdvanTex AX20

The AX20 is designed to treat up to 2,000 litres per day (about a 4-6 bedroom house), making it ideal for large homes and baches.

Weighing less than 600 kg (dry weight), the AX20 is supplied as a fully-assembled package, it requires very little space to install making it ideal for sites that are limited in space and access.

Low power consumption and lifetime costs

When compared to other aerated systems, the AX20 is more cost-efficient in the long run. With power costing no more than $8/month with one service annually compared to 2 or 4, the AX20 is unmatched in terms of treatment quality produced. Low maintenance requirements, pumping cost and replacement of equipment are also factors that make the AX20 a preferred system to most homeowners.

Read Advantex AX20 additional information.

Tested and proven performance

As well as receiving an A+ rating at the Rotorua Onsite Effluent Testing (OSET) programme for its high performance and low power consumption, the AdvanTex has also undergone several other third party trials around the world, under various loading conditions. Regardless of the environment, the AdvanTex AX20 has been proven to provide a very high quality of treatment, for both standard parameters (biological oxygen demand and total suspended solids) but also other nutrients such as nitrogen. Of importance, these test prove that the AdvanTex provides high performance consistently, requiring only a fraction of power when compared to other wastewater systems.

See the Advantex Rotorua OSET Trials Performance Certificate and other performance certifications.



Warranty on Pumps

Because of the high quality materials used in manufacturing the the AdvanTex, Innoflow offers a 5 year warranty on the pumps and 3 years on the system as a whole, as long as the system is installed and maintained by approved contractors.


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