Ohana Plumbing
Backflow Prevention Sydney Testing, Installation & Compliance
Plumbing Solutions Tailored to Your Needs
We provide complete backflow prevention services across Sydney, keeping your property safe and up to code. From annual testing to new RPZ installations, we make sure your system runs properly and passes all required checks.
RPZ and dual check valve installation
Annual testing and certification
Repairs, maintenance and compliance
Fast response across all Sydney areas
Tailored to Your Needs
Backflow Device Installation
We install and test RPZ and dual check valves to ensure safe water flow and prevent contamination.
Annual Backflow Testing
Our certified plumbers perform yearly backflow testing and submit reports to Sydney Water for compliance.
We Can Diagnose Quickly
We inspect and test your backflow prevention device to confirm it’s working correctly. If your device fails or leaks, we repair or replace it immediately to keep your property compliant and your water safe.
Common issues include:
Leaking or damaged RPZ valves
Pressure imbalances or water hammer
Corroded device components
We’ll handle the testing, repairs and reporting for you — stress-free.q
How to solve the problem
Plumbing Solutions Tailored to Your Needs
At Ohana Plumbing, we’re serious about water safety and compliance. Our team is fully certified for backflow testing, maintenance and installation — helping Sydney homes and businesses meet their obligations easily.
PROFESSIONAL SERVICE
Licensed Sydney plumbers certified in backflow prevention.
GROWTH & SUCCESS
Trusted by businesses and property owners across Sydney.
COMPASSION & CARE
We treat every property with professionalism and respect.
How We Work
We keep things simple — fast booking, honest communication, and quality plumbing every time.
01
02
03
Why Choose Ohana Plumbing
Family-Owned Sydney Business
We care about quality service and long-term safety.
Certified Backflow Specialists
Licensed to test, repair and certify all backflow devices.
Compliance Made Easy
We manage your certification and liaise with Sydney Water.
Upfront Pricing
Fair, transparent pricing with no hidden costs.
Guaranteed Workmanship
All repairs and installations backed by our warranty.
our service areas
Wollondilly Shire
Appin
Bargo
Belimbla Park
Brownlow Hill
Buxton
Camden Park
Cataract
Cawdor
Couridjah
Darkes Forest
Douglas Park
Glenmore
Lakesland
Maldon
Menangle
Mount Hunter
Mowbray Park
Nattai
Oakdale
Orangeville
Pheasants Nest
Picton
Razorback
Silverdale
Tahmoor
The Oaks
Theresa Park
Thirlmere
Wallacia
Warragamba
Werombi
Wilton
Yanderra
Yerranderie
Our Partners
Need Help?
frequently asked questions
If you don't see your question answered, feel free to reach out to our amazing support team for further assistance.