Backflow Prevention Sydney
Certified Backflow Testing, Installation & Compliance Reports
- check_circle Licensed Backflow Plumbers
- check_circle Annual Testing
- check_circle Fast Certification
Guaranteed
60 Min
Response Time
24/7 On Call Day or night
Our Backflow Prevention Services
Backflow isn’t just a plumbing issue - it’s a serious health and safety risk. When contaminated water flows backwards into your drinking supply, it can expose your home, business or facility to dangerous pollutants, chemicals, bacteria and wastewater. Jayco Plumbing provides fully certified backflow prevention services across Greater Sydney. With over 20 years of experience, we test, install, repair and certify all types of backflow prevention devices.
- check_circle Annual backflow testing
- check_circle Backflow prevention installation
- check_circle RPZ valve installation & repairs
- check_circle Double-check valve (DCV) installs
- check_circle Pressure vacuum breaker (PVB) installs
- check_circle Thermostatic mixing valve (TMV) testing
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Why Choose Jayco Plumbing for Backflow Prevention?
Your compliance and water safety are our priority.
- check_circle Licensed backflow-certified plumbers
- check_circle Full compliance with Sydney Water regulations
- check_circle 20+ years of backflow testing & installation experience
- check_circle Fast certification & report submission
- check_circle Upfront pricing with no hidden extras
- check_circle We test, repair, replace & certify all devices
- check_circle Emergency response for failed or leaking devices
- check_circle Friendly, professional service
- check_circle 5721+ plumbing jobs completed this year
- check_circle Family-owned, Sydney-based company
Types of Backflow Devices We Install & Test
Reduced Pressure Zone Device (RPZ Valve)
Required for high-risk properties such as hospitals, restaurants, manufacturing sites, irrigation systems and multi-storey buildings.
Double Check Valve (DCV)
Used for medium-risk connections where a reliable, certified non-return barrier is required.
Pressure Vacuum Breaker (PVB)
Common in irrigation and outdoor systems to prevent back-siphonage into the clean water supply.
Single Check Valves
Used for low-risk applications. We test and certify all device types according to Sydney Water’s standards.
Common Backflow Issues We Repair
Most devices can be repaired on the spot.
- error Failed test results
- error Worn seals
- error Damaged check valves
- error Leaking relief valves
- error Incorrect installation
- error Rust/corrosion
- error Pressure loss
- error Device failure due to age
- error Non-compliant or outdated devices
Our Backflow Prevention Process
From assessment to certification, we handle it all.
- check_circle Assessment & Device Identification
- check_circle Backflow Testing
- check_circle Repairs / Adjustments
- check_circle Certification & Reporting
- check_circle Compliance Reminder Setup
What Our Customers Say
Reliable, honest and professional service every time.
Quick and easy to deal with. Quality job at a fair price. Highly recommend.
Jayco Plumbing handled our backflow testing and paperwork. Fast, clear and professional.
Extremely knowledgeable and carried out the work with care. Will definitely call again.
Sydney Areas We Service
We provide backflow testing and installation across: Sydney CBD, Inner West, Eastern Suburbs, Western Sydney, North Shore, Northern Beaches, Hills District, Canterbury-Bankstown, South West Sydney, St George, Sutherland Shire - and every surrounding suburb. Commercial, residential & industrial coverage.
- checkSydney CBD
- checkInner West
- checkEastern Suburbs
- checkWestern Sydney
- checkHills District
- checkNorth Shore
- checkNorthern Beaches
- checkCanterbury-Bankstown
- checkSouth West Sydney
- checkSt George
- checkSutherland Shire
- checkPenrith & Surrounds
Your Backflow Prevention Questions, Answered
Everything Sydney homeowners ask us most.
Still have questions?
Our team is on call 24/7 and happy to help.
How often do I need backflow testing in Sydney? expand_more
Who is allowed to test backflow devices? expand_more
What happens if my backflow device fails? expand_more
Do you submit the compliance certificate to Sydney Water? expand_more
How long does backflow testing take? expand_more
Do residential homes need backflow prevention? expand_more
What causes a backflow device to fail? expand_more
Can you replace an old or non-compliant device? expand_more
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Our Plumbing Services
From emergency repairs to full installations - one trusted local team for every plumbing and gas job across Sydney.
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24/7 Emergency Plumbing
Burst Pipes, Gas Leaks, Blocked Drains & Hot Water - Fixed Fast, Day or Night
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Appliance Installations
Professional Installation for Gas & Water-Connected Appliances
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Bathroom Renovations
Custom Bathroom Renovations, Plumbing Upgrades & Complete Transformations
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Blocked Drains
Fast, Reliable Drain Clearing for Homes & Businesses Across Greater Sydney
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Blocked Sewer
Fast, Safe & Professional Sewer Clearing - 24/7 Sydney-Wide
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Burst Pipes
Fast, Emergency Burst Pipe Repairs - 24/7 Sydney-Wide
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CCTV Drain Inspection
See Inside Your Pipes - Accurate, Non-Invasive Drain Diagnostics
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Emergency Hot Water
No Hot Water? Burst Tank? We’re at Your Door Within 60 Minutes.
Need Certified Backflow Testing or Installation?
Call Jayco Plumbing. Fast, compliant, professional backflow services anywhere in Sydney. Keep your water supply protected and your property fully compliant.
verified Licensed & insured · Upfront pricing · 60-minute response*