Backflow preventer installation and testing in Geelong
Based in Geelong and servicing Ballarat, Colac, Camperdown, Warrnambool, Melbourne, the Bellarine Peninsula and Surf Coast
At Complete Backflow Testing, we specialise in the installation, testing and compliance of every type of backflow preventer for commercial and healthcare sites throughout Geelong and regional Victoria.
A properly installed backflow prevention valve is essential to protect your drinking water supply from contamination due to reverse water flow. It’s a legal requirement in many industries, and regular testing ensures continued compliance with Victorian plumbing regulations.
Whether you're setting up a new system or replacing an old device, we provide expert backflow preventer installation, backed by years of experience and a deep understanding of Australian Standards.
Based in Geelong, we service businesses locally and across Victoria, from Melbourne to Ballarat, Warrnambool, Camperdown, Colac, the Bellarine Peninsula and Surf Coast.
Our experienced technicians understand which backflow prevention valves are best suited to your system based on water pressure, hazard level and plumbing design. We’ll install your device efficiently, test it thoroughly, and provide all required documentation for health and council authorities.
Backflow prevention
Accredited valve testing and prevention solutions
Every backflow preventer we install is rigorously tested to ensure it performs reliably under pressure. Our services include:
- Backflow prevention valve testing
- Backflow prevention testing for regulatory compliance
- Annual backflow preventer testing with full certification
- Replacement and upgrades of outdated or faulty valves
We work across a wide range of facilities in Geelong, including aged care homes, childcare centres, dental clinics, hospitals, veterinary clinics, industrial plants and education providers. If your business falls under a regulated category, our fully licensed team can install the right backflow preventer and ensure you stay compliant.
Protect your water system with a accredited backflow preventer
A reliable backflow preventer is your first line of defence against water contamination. If you’re installing a new system or replacing an old one, trust the experts at Complete Backflow Testing.
Get in touch today to arrange backflow preventer installation or schedule backflow prevention valve testing in Geelong or regional Victoria.
For full support, don’t forget to explore our related services including service and installation and inspection and maintenance reports for ongoing compliance and system care.
Other backflow services we offer:

Backflow testing
Every Geelong business has a duty of care when it comes to maintaining a clean, uncontaminated water supply. Our backflow testing services are designed to identify issues early, prevent cross-contamination,...

Service & installation
Our team is fully qualified to install, test and service all types of backflow prevention devices, including double check valves and RPZ valves. We provide: Backflow device installation and replacements...

Inspection & maintenance reports
Our team conducts full backflow device inspections and offers: Annual backflow inspection reports Preventative backflow maintenance services Repairs and compliance upgrades Issuing of backflow maintenance reports for council submission Support...

Airgap testing
Airgap devices work as a physical separation between a potable water supply and potential contaminants. While simple in design, their correct installation and ongoing functionality are critical to backflow prevention....

RPZ valve installation
RPZ valves are commonly installed in hospitals, dental clinics, veterinary practices, aged care centres, and industrial sites where a high degree of water safety is essential. Our services include: Full...

RPZ valve testing
RPZ valves are essential in RPZ backflow prevention testing, designed to stop potentially harmful backflow into clean water systems. These devices must be tested at least once per year, and...

Thermostatic mixing valve testing
Our licensed technicians specialise in thermostatic valve compliance testing, ensuring your TMVs are functioning correctly and maintaining safe water temperatures. We provide: Annual or scheduled thermostatic mixing valve testing On-site...
Valve Testing
Backflow prevention valve FAQS
What is a backflow prevention valve?
A backflow prevention valve is a plumbing device designed to stop contaminated water from flowing back into the clean water supply.
When do I need a backflow preventer installed?
You need a backflow preventer if your business presents a contamination risk to the public water system. This includes healthcare, childcare and industrial facilities.
How long does a backflow preventer installation take?
Installation time depends on the system type, but most standard valves can be installed within a few hours.
Is backflow prevention valve testing mandatory?
Yes. All installed backflow prevention valves must be tested annually to comply with Victorian regulations.










