Jason
Service Technician
6 years at Proximity Plumbing
Read moreLooking For A Plumber Now? See The Full List Of Backflow Prevention We Cover. Fast & Efficient Sydney Plumbing Services Near You.
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A backflow prevention device is something that is fitted to the water pipe on a property to stop the flow of water moving back into the mains water system which can occur if there is a difference or drop in water pressure. If you have backflow water issues, there is a risk that potentially contaminated water containing hazardous bacteria and debris could flow back up into your water service.
Backflow testing or RPZ Testing is a very important safety measure for our water supply prevent backflow we need to install backflow prevention devices, the type of device will depend on what the hazard is. Below are the backflow prevention device types and the hazard ratings.
Backflow prevention devices stop backflow siphonage problems by using a one-way valve, an air gap or a break tank.
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:
We pride ourselves on our proactive commitment toward industry best practises. We play an active role in maintaining the highest standards throughout the plumbing industry. We have accredited members and longstanding supporters of:
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:
A RPZ Valve will cost between $1,000 and $3,000 depending on the size of the property it has to service. Property sizes will require different size copper mains pipes that can vary greatly in size for different applications depending on what it is feeding & the materials required e.g. commercial building vs single story house vs a block of units
An RPZ Valve Test in Sydney will cost between $200 and $300 depending on the location, time of day & type of property. The cost to get one installed will generally be between $500 to $800 but this will depend on the valve used and labour required. Depending on the situation this can vary between 2 and 8 hours based on access, the property type, size of the valve and required plumbing changes.

Our Master Plumbers can help you with any plumbing requirements. From repairs and replacements to new installations, we are able to provide you with a comprehensive plumbing service at competitive prices. So, if you’re looking for a ‘plumber near me’, or need 24 hour local plumbing services in Sydney? Why not give Proximity Plumbing a call today.
