S3 Ltd (Sewage System Services) is a subsidiary of Innoflow and is the only authorized service agent of Advantex Systems in New Zealand and Australia, dedicated to providing ongoing maintenance to residential and commercial wastewater treatment systems supplied by Innoflow.

Visit our website: https://www.s3septicservices.co.nz/
Call us now: 0800 735 464

Services we provide

S3 can provide all the maintenance and compliance requirements for any given residential and commercial wastewater treatment system, including;

  • Routine ongoing maintenance for domestic and commercial wastewater systems
  • Collection and record keeping of treated effluent
  • 24 hour remote monitoring of alarms
  • Production of compliance reports when required

The S3 Advantage

Because of the exclusive relationship between S3 and Innoflow, S3 can provide a specialist service for the ongoing maintenance, and compliance requirements for any given system supplied by Innoflow. In this way, our customers can expect a high level of competence and follow up which ensures the wastewater system is run efficiently and smoothly.


Our vision is to be the best, without fail or without doubt in people’s minds, giving them the full assurance that when they deal with us they are getting the real thing.


Let's talk so we can discuss some idea and options to get you moving forward with your project or research for your wastewater needs.