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Backflow Prevention Sydney

Backflow Prevention & Testing

Need Backflow Prevention in Sydney? Call our licensed, professional and reliable plumbers today

Have you had your Backflow Prevention Valves Serviced Lately?

Any connection to Sydney Water’s pipes, including fire services, need to be protected by installing backflow prevention devices. Backflow devices are fitted at the boundary of your property or commercial premises to prevent contaminated water flowing into the public water supply. Backflow may happen when the water from your property flows backwards into Sydney Water pipes. For instance, where there is a pressure difference in a water supply, water may travel back into the mains. This can result in contaminated water being drawn back into the domestic water supply causing people to become ill from drinking the unclean water.

 

Backflow prevention devices are important as they protect water quality and must be installed to stop contaminated water flowing into the public water supply. Backflow devices will generally use one of three elements to stop the backflow of polluted water:

 

  • A valve that only permits water to go in one direction
  • An air gap
  • A break tank

 

According to Sydney Water regulations, backflow prevention devices must be tested annually and when first installed.

 

Premises that may Need a Backflow Device

Due to the serious consequences of the backflow of water into Sydney’s water supply, it is extremely important backflow prevention devices are installed by certified professionals and tested yearly. Some types of premises that may require backflow prevention devices include:

  • Cafes and restaurants
  • Shopping centres and high-rise buildings.
  • Mechanic workshops
  • Car washes
  • Swimming pools
  • Laundries and dry cleaners
  • Golf courses or sporting ovals
  • Caravan parks
  • Manufacturing premises
  • Medical facilities such as hospitals and veterinary clinics
  • Chemical plants

Common Causes

The backflow of water at an unprotected cross connection can occur in two ways: back pressure backflow and back siphonage backflow. Back pressure is a result of the pressure downstream increasing above the system pressure which causes a reversal in the flow of water. On the other hand, back siphonage occurs in scenarios where there is a build-up of pressure at a given source, greater than the pressure in the pipes. An example of this is when Sydney Water shut off the water main, due to things such as a break or leak in the water main, and as a result water is siphoned back into the public water supply. Backflow contamination due to back pressure and back siphonage can result from any number of causes, including:

  • Hand held toilet sprayer’s
  • Bathtubs & showers, where there is an extension on the water outlet that can be submerged. ( Such as those extension hoses that connect onto the bath spout)
  • Kitchen sinks that have a retractable hand piece that can sit in a full sink of water.
  • Car washing bays.
  • A house that can reach into a grease trap.
  • Chemical plants.
  • Garbage areas where a hose is used to wash out bins.
  • Swimming pool areas where a hose can reach the pool.

All the scenarios above are just some of the causes of water back flowing into a water system.

Potential ‘back flow risk’ which means that if there is not adequate measures taken, then both you, your family and other people in your neighbourhood are at risk of consuming contaminated water.

How Silverwater Plumbing Can Help

Silverwater Plumbing are fully licensed and certified backflow prevention device testers. Working 24/7 across Sydney, We install, maintain and test backflow devices for real estates and other commercial clients every day. If you require backflow device installation or if it’s time for your annual backflow device testing, please contact Silverwater Plumbing for immediate assistance.

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Chen Zhao
Chen Zhao
12:16 08 Oct 18
Great service and very professional. Replaced my hot water from an indoor to outdoor unit and upgraded relevant gas and water pipes. Great attention to details too even though the job was quite big. For example sanding off the copper pipe after cutting it before installation. Price is fair and you get discount for multiple jobs. Highly recommend them.
Amina Adus
Amina Adus
12:42 07 Oct 18
I highly recommend Silverwater Plumbing services to everyone, they are friendly and experienced. Our toilet which is attached to the wall had been blocked for a while, we are happy that it is in use again. These guys detached it and resealed it all perfectly. We were offered the best quote and the best service ! Thank you for the 5 star service
Amir Khalili
Amir Khalili
21:50 10 Oct 18
Both plumber where fast friendly very hard working. Kept informed with what was happening and explained what not to do in future Would highly recommend, will use again in future.
lehnet
lehnet
05:46 03 Aug 18
The hot water in my shower was not working properly, a guy named Solomon from Silverwater Plumbing came out and did and amazing job. He was polite, professional and went as far as explaining to me in layman's term what the issue was. Very well informed with his work and problem was fixed in no time. Thank you Solomon!! Highly recommended.
ben finch
ben finch
23:12 26 Aug 18
Top rate service and courteous as well. I highly recommend Silverwater Plumbing. They helped us out at a very early hour so that the cafe could trade. Thank you and great work!
Robert Sidney Baker
Robert Sidney Baker
07:33 14 May 19
We needed a new hot water system, a new toilet, a new gas fitting and repair of some taps. The boys from Silverwater Plumbing were great. They arrived on time, quoted everything up front and the quality of the work was excellent. I will use these guys for all of our plumbing needs in the future. Thank you.
Annette Forde
Annette Forde
08:26 10 Apr 19
Great service, very professional and efficient. They break down the costs of the service before carrying out any work so you know exactly what everything’s priced at. Highly recommended plumbing service. Would use again.
Mike T
Mike T
03:29 26 Jan 19
My family discovered that we had a water leak after our water bill doubled. I searched online for a reputable local plumber and decided to go with Silverwater Plumbing after reading positive reviews on Product Review and Google. And I was not disappointed. Silver Plumbing were punctual and came with a smile. After explaining our problem, they went straight to the task and did what they needed to do. They were professional, friendly and easy to communicate with. They identified the leak and explained what they were going to do. They were confident and experienced. In terms of their pricing, it appears to be reasonable. I cannot comment on how competitive their pricing were as I did not obtain quotes from other plumbers. But for the service they provided, I would definitely consider using these guys again for future plumbing needs.
Symin Sez
Symin Sez
21:55 23 Apr 19
Highly recommended, called them in the morning & they came that morning. Extremely professional over the phone & in person, they provide breakdown of pricing & wore slip on's over their shoes. 100% I'll continue to use Silverwater Plumbing 👍
oguzhakan taskun
oguzhakan taskun
07:19 25 Mar 19
Amazing work from Kam and his team. He priced my work upfront and it came out better than what I expected. Thank you and l will be recommending you to my friends.
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Silverwater Plumbing has a rating of 4.9/5 based on 82 reviews on Product Review