Backflow Prevention and Annual Testing in Western Sydney

Backflow prevention keeps contaminated water from flowing back into the clean drinking supply. Many properties are required to have a testable device, tested every year by a licensed plumber and registered with the water authority. Terry is licensed to install and test them.

Backflow happens when water flows the wrong way through the pipes, back toward the mains supply instead of out to the tap. It can be pulled back by a sudden drop in pressure or pushed back by pressure on your side. The risk is that whatever the water has touched, chemicals, garden fertiliser, industrial fluids or dirty water, ends up in the drinking supply. A backflow prevention device is a one-way valve that stops that from happening.

Not every home needs a testable device, but a lot of properties do. It's commonly required on commercial premises, dual occupancies and units, properties with irrigation or garden watering systems, fire services, and anywhere with a higher contamination risk. If your property has one of these, Sydney Water and your local council generally require the device to be tested every twelve months by a licensed backflow tester and the results lodged.

Terry can install a new device where one is needed, test an existing device as part of your annual compliance, and take care of registering the results with the water authority so your paperwork stays current. If a device fails the test he can repair or replace it and retest, keeping you compliant without the back-and-forth.

Every device is a bit different depending on its type and hazard rating, so the price is quoted per device rather than a flat figure. You'll get a fixed quote before the work goes ahead, and Terry holds NSW licence L10959 covering this work.

Frequently Asked Questions

Do I need a backflow prevention device?

Many commercial premises, dual occupancies, properties with irrigation or a fire service, and anywhere with a higher contamination risk are required to have a testable device. If you're not sure, Terry can check your property and tell you plainly whether one applies to you.

How often does a backflow device need testing?

Testable devices generally need testing every twelve months by a licensed backflow tester, with the results lodged with the water authority. Terry can do the annual test and handle the registration so your compliance stays current and you don't get chased for it.

How much does backflow testing cost?

It's quoted per device, because the price depends on the type of device and how many you have. Terry gives you a fixed quote before he starts. If a device fails, he'll quote any repair or replacement separately so you know where you stand.

What happens if my backflow device fails the test?

If a device fails, it isn't doing its job and needs repair or replacement to bring you back into compliance. Terry can repair or swap the device and retest it on the same visit where possible, so you're covered without a long wait.

Need help with backflow prevention & testing?

Call Terry on 0415 274 542 - same-day service available for most jobs.

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NSW Licence L10959 · 40+ years experience