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Ohana Plumbing

Backflow Prevention Sydney Testing, Installation & Compliance

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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

Failed annual test results

Failed annual test results

Pressure imbalances or water hammer

Corroded device components

Poor or outdated installations

Poor or outdated installations

We’ll handle the testing, repairs and reporting for you — stress-free.q

How to solve the problem

Inspect & Test

We test your device to ensure it meets Sydney Water requirements.

Inspect & Test

We test your device to ensure it meets Sydney Water requirements.

Repair or Replace

Any faults are fixed or the device is replaced on the spot.

Repair or Replace

Any faults are fixed or the device is replaced on the spot.

Certify & Submit

We issue a compliance certificate and file results with Sydney Water.

Certify & Submit

We issue a compliance certificate and file results with Sydney Water.

Schedule Maintenance

We set reminders for your next annual test.

Schedule Maintenance

We set reminders for your next annual test.

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.

CLEAR COMMUNICATION

We handle all compliance and reporting so you don’t have to.

CLEAR COMMUNICATION

We handle all compliance and reporting so you don’t have to.

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

Schedule Your Plumber

Call or book online, and we’ll arrange a time that suits you. Our team always confirms your appointment and shows up when we say we will.

Schedule Your Plumber

Call or book online, and we’ll arrange a time that suits you. Our team always confirms your appointment and shows up when we say we will.

Work Gets Done

Our licensed plumbers handle the job efficiently and with care. Whether it’s repairs, installation, or maintenance, we’ll keep you updated from start to finish.

Work Gets Done

Our licensed plumbers handle the job efficiently and with care. Whether it’s repairs, installation, or maintenance, we’ll keep you updated from start to finish.

02

03

Continuous Support

Once the job’s complete, we’re still here for you. From future maintenance to quick questions, our team is only a call away for ongoing support.

Continuous Support

Once the job’s complete, we’re still here for you. From future maintenance to quick questions, our team is only a call away for ongoing support.

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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.

quality service is our guarantee

We take pride in clear explanations, honest recommendations and work that stands the test of time. Whether we’re fixing a small leak or completing a full renovation, you can trust our team to get it right.

It’s the reason so many Sydney homeowners come back to us again and again.

quality service is our guarantee

We take pride in clear explanations, honest recommendations and work that stands the test of time. Whether we’re fixing a small leak or completing a full renovation, you can trust our team to get it right.

It’s the reason so many Sydney homeowners come back to us again and again.

quality service is our guarantee

We take pride in clear explanations, honest recommendations and work that stands the test of time. Whether we’re fixing a small leak or completing a full renovation, you can trust our team to get it right.

It’s the reason so many Sydney homeowners come back to us again and again.

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.

What is backflow prevention?

It’s a system that prevents contaminated water from flowing back into the main water supply.

What is backflow prevention?

It’s a system that prevents contaminated water from flowing back into the main water supply.

Do I need annual testing?

Yes. Sydney Water requires annual backflow testing for certain properties.

Do I need annual testing?

Yes. Sydney Water requires annual backflow testing for certain properties.

Can you handle my compliance paperwork?

Absolutely — we test, certify and submit results directly to Sydney Water.

Can you handle my compliance paperwork?

Absolutely — we test, certify and submit results directly to Sydney Water.

What happens if my backflow device fails?

We’ll repair or replace it immediately and retest it for certification.

What happens if my backflow device fails?

We’ll repair or replace it immediately and retest it for certification.

Do you work with both homes and businesses?

Yes, we provide backflow services for residential, commercial and industrial properties.

Do you work with both homes and businesses?

Yes, we provide backflow services for residential, commercial and industrial properties.