Engineered for Sterile Services.
Built for Compliance.
Backed by Experience.

At Western Water Solutions, we specialise in the design, manufacture, and lifecycle support of AS 5369:2023-compliant Reverse Osmosis (RO) systems for healthcare, Central Sterile Services Departments (CSSDs), and other high-risk water environments. Our in-house capabilities ensure that every system is built to meet the rigorous technical and operational demands of Australia’s leading healthcare facilities.

WWS: Specialists in AS5369-Compliant RO Systems

Our team of water treatment engineers, healthcare compliance consultants, and technical fabricators are deeply experienced in delivering RO systems that meet and exceed AS5369 requirements. We handle every aspect in-house, ensuring consistency, quality, and full regulatory alignment.

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Detailed Design & Engineering Capabilities

We design each RO system in close consultation with your facility’s infection control, facilities management, and CSSD stakeholders. Our process includes:

  • Customised P&IDs, hydraulic schematics, and GA drawings
  • Calculation of system recovery, salt rejection, and flow balancing
  • Loop recirculation layouts with balancing valves and isolation points
  • Integration of disinfection technologies including SHP dosing, thermal sanitisation and UV
  • Detailed component selection to suit medical-grade applications
  • Incorporation of sensor-based monitoring and automated controls

All designs are validated against AS5369 parameters for microbial control, disinfection resilience, and operational redundancy.

Manufacturing Excellence

All AS5369-compliant RO systems are built in-house by Western Water Solutions using:

  • 316L stainless steel frame construction and hygienic welds
  • AS-compliant instrumentation and high-purity pipework
  • Sanitary-grade RO membranes and housings
  • Automated thermal sanitisation & CIP/sanitisation loops with SureClear SHP compatibility
  • Factory Acceptance Testing (FAT) prior to site delivery

Each unit is fully documented with:

  • FAT reports
  • Validation plans
  • Commissioning checklists
  • Operation and maintenance manuals
  • Compliance certificates

Smart System Features

Our AS5369-compliant systems are built for real-time monitoring and audit readiness, with features including:

  • Online conductivity, temperature, pressure and flow sensors
  • Flow balance and residual disinfectant control
  • SCADA/BMS integration for alerts, trend tracking, and performance visibility
  • Remote access and reporting capability for continuous compliance assurance

Ongoing Compliance Support

We don’t just deliver compliant systems—we help you maintain them. Our support services include:

  • Preventative maintenance schedules
  • Membrane cleaning and replacement
  • SHP sanitisation integration
  • AS5369 sampling programs (NATA-accredited)
  • Recertification and audit assistance

Trusted by Leading Healthcare Facilities

Western Water Solutions has delivered AS5369-compliant RO systems for:

  • Major public and private hospitals
  • Day surgeries and CSSD upgrades
  • Regional health services

We are recognised for our clinical alignment, engineering precision, and fast, practical delivery of healthcare water infrastructure that works.

Contact Western Water Solutions

Contact us today to speak with one of our AS5369 specialists. Let Western Water Solutions help you design and deliver a compliant RO system that protects patients, supports your CSSD, and meets Australia’s most stringent water safety standards.

We promise to provide an unparalleled experience to each and every client.

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