This Month Only: GET $50 OFF Your First Service*(First 30 Bookings Only)

This Month Only: GET $50 OFF Your First Service*(First 30 Bookings Only)

This Month Only: GET $50 OFF Your First Service*(First 30 Bookings Only)

Logo
Logo

Open Now

5-Star Service

Find a Plumber

Near You

Suburb Search...

HL Plumbing QLD

HL Plumbing QLD

HL Plumbing QLD

Backflow Prevention brisbane Testing, Installation & Compliance

Hero Banner Image
Expert Plumber
Expert Plumber
Expert Plumber

Plumbing Solutions Tailored to Your Needs

We provide complete backflow prevention services across Brisbane, 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 Brisbane 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 Brisbane 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Poor or outdated installations

Poor or outdated installations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 Brisbane Water requirements.

Inspect & Test

We test your device to ensure it meets Brisbane 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 Brisbane Water.

Certify & Submit

We issue a compliance certificate and file results with Brisbane 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 HL Plumbing, we’re serious about water safety and compliance. Our team is fully certified for backflow testing, maintenance and installation — helping Brisbane homes and businesses meet their obligations easily.

PROFESSIONAL SERVICE

Licensed Brisbane 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 Brisbane.

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 — it’s quick and easy. Our friendly team will lock in a time that suits you and assign a licensed plumber ready to help with your job.

Schedule Your Plumber

Call or book online — it’s quick and easy. Our friendly team will lock in a time that suits you and assign a licensed plumber ready to help with your job.

Work Gets Done

We arrive on time, fully equipped, and ready to fix the problem on the spot. From blocked drains to burst pipes, we’ll get everything sorted safely and efficiently.

Work Gets Done

We arrive on time, fully equipped, and ready to fix the problem on the spot. From blocked drains to burst pipes, we’ll get everything sorted safely and efficiently.

02

03

Continuous Support

Once the job’s complete, our service doesn’t stop there. We follow up to make sure everything’s working perfectly and offer advice to help prevent future issues.

Continuous Support

Once the job’s complete, our service doesn’t stop there. We follow up to make sure everything’s working perfectly and offer advice to help prevent future issues.

Expert Plumber
Expert Plumber
Expert Plumber

Why Choose HL Plumbing

Family-Owned Brisbane 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 Brisbane Water.

Upfront Pricing

Fair, transparent pricing with no hidden costs.

Guaranteed Workmanship

All repairs and installations backed by our warranty.

our service areas

24/7

Emergency

Plumbing

for

Brisbane

Homes

Plumbing emergencies do not wait for business hours. That is why we are available 24 hours a day and 7 days a week to respond to urgent call outs. From burst pipes and overflowing toilets to blocked sewers and hot water breakdowns, we arrive quickly and get the problem under control. With HL Plumbing QLD, help is never far away.

24/7

Emergency

Plumbing

for

Brisbane

Homes

Plumbing emergencies do not wait for business hours. That is why we are available 24 hours a day and 7 days a week to respond to urgent call outs. From burst pipes and overflowing toilets to blocked sewers and hot water breakdowns, we arrive quickly and get the problem under control. With HL Plumbing QLD, help is never far away.

24/7

Emergency

Plumbing

for

Brisbane

Homes

Plumbing emergencies do not wait for business hours. That is why we are available 24 hours a day and 7 days a week to respond to urgent call outs. From burst pipes and overflowing toilets to blocked sewers and hot water breakdowns, we arrive quickly and get the problem under control. With HL Plumbing QLD, help is never far away.

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. Brisbane Water requires annual backflow testing for certain properties.

Do I need annual testing?

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

Can you handle my compliance paperwork?

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

Can you handle my compliance paperwork?

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