Backflow & RPZ Testing for Brisbane

Backflow Testing, RPZ testing & Repairs

K-Oz Plumbing  specialises in Brisbane backflow testing, backflow repairs, RPZ repairs and  prevention. We test can and maintain and test backflow devices and valves or test RPZ units in Brisbane.

Do you have a final reminder notice from the Brisbane City Council or local Council– Test Reports Overdue?

Have a Council backflow Prevention Device Permit?

Did you know failure to comply may result in $3300 fine per device?

K-Oz Plumbing licences Brisbane backflow specialists regularly test, repair and install new backflow prevention devices.

K-Oz Plumbing Services include:

  • Annual Brisbane backflow prevention testing and  inspection maintenance reporting
  • Installation of backflow devices and valves where required
  • Repairs & maintenance of backflow installations
  • Work with your local council with form 9’s and backflow requirements and form 9 submission.
  • Detailed reports sent straight to council & Owner
  • Call if you need help with Thermostatic Mixing Valves or TMV testing and repairs
  • Cost effective solution
 What is a backflow prevention device?
A backflow prevention device is a valve that prevents
potentially harmful polluted water from entering the city’s
drinking water supply when an incident such as a drop in
pressure causes water to be drawn back into the main from
private properties  
back flow

What is a backflow prevention device?

Backflow prevention devices safeguard the mains water supply against harmful contaminants. These backflow  devices include the following – Dual Check Valves or Double Check Valves, Single Check Valves, Vacuum Breaker Valves &  Reduced Pressure Zone Devices or RPZ valves.

How often do backflow prevention devices need testing?

Backflow prevention devices, need to be tested every year to make sure they are operating correctly. This testing every 12 months is enforced by varying councils  and state legislation in Queensland to safeguard against contaminated sources entering the water supply.  You must ensure your plumber has Backflow Prevention endorsements on their licence. A test report i.e. a form 9  is then issued directly to your council to certify that each has been tested and certified.


Blocked Toilet, Blocked sewer, Blocked stormwater, Blocked ORG, Blocked Drain, call K-Oz Plumbing for help with your Blocked Drains in Brisbane.


Emergency plumber to help, Cracked pipe repairs, burst pipes, leaking pipes K-Oz Plumbing can fix your Brisbane plumbing issues today.


No hot water, Hot water system repairs and replacements, gas hot water, electric hot water and solar hot water – Rheem, Vulcan, Saxon, Everhot, Bosch, Rinnai, Dux – Call K-Oz for help.


Leaking pipes, burst pipes, burst flexhoses, Leak detection – leak reports – we can help replace and fix your leaks.


Dripping shower heads, water shower head replacements, blocked shower heads, blocked shower grate – K-Oz Plumbing can help.


Leaking taps, tap washer
replacements, cracked taps,
dripping tap call K-Oz Plumbing for help.

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