Mr. Clog Plumbing
Backflow Prevention Testing & Installation Sydney
Annual backflow testing and device installation by certified testers.
No surprise bills: $0 call-out and a fixed price before any work starts.
Our guarantee: 12 months on our workmanship, in writing. What it covers
About This Service
Backflow prevention devices protect Sydney's drinking water supply from contamination. NSW regulations require annual testing of all registered backflow prevention devices by a certified tester. Mr. Clog is certified to test, certify, repair, and install backflow prevention devices for commercial and residential properties across Sydney.
What’s Included
- Annual backflow testing and certification
- Testable and non-testable device installation
- Compliance certificates issued
- Repairs and device replacements
- Required for commercial, industrial, and many residential properties
Fixed price quoted before we start. $0 call-out fee.
Ready to book?
(02) 9139 8945 — available 24/7How It Works
Our Process
Test
A certified technician tests your backflow prevention device using calibrated test equipment.
Certify or Repair
If the device passes, we issue a compliance certificate. If it fails, we repair or replace the device on the spot where possible.
Lodge
We lodge the test results with Sydney Water on your behalf as required by regulation.
Remind
We schedule your next annual test so you never fall out of compliance.
Related Pages
Common Questions
FAQs
What is backflow prevention?
A backflow prevention device stops contaminated water from flowing back into the mains drinking water supply. They're required on properties where there's a risk of cross-connection.
How often do backflow devices need to be tested?
Annually — NSW regulations require all registered testable backflow devices to be tested by a certified tester every 12 months.
What happens if I don't test my backflow device?
Sydney Water can issue notices and fines for non-compliant properties. Untested devices can also fail silently, creating a contamination risk.
Do residential properties need backflow devices?
Some do — especially properties with irrigation systems, pools, or other non-drinking water connections to the mains. We can advise whether your property requires one.
What Sydney Customers Say
We recently used Mr Clog Plumbing for our granny flat in Guildford and couldn't be happier with the service. Everything was handled professionally from start to finish, with great communication and workmanship…
Absolute legend. Turned up on time, sorted the problem quickly and didn’t charge a fortune. Super easy to deal with and cleaned up after the job too. Will definitely be using him again and would happily recomme…
Turned up on time and honest service, couldn’t ask for much more.
Get a Quote for Backflow Prevention
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Ready to Book?
Call now for fast, reliable service — $0 call-out fee, available 24/7.