Backflow Installation
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40+ Years in Business -
Fixed Price with No Hidden Charges -
Special Discounts - Aged Care -
Same Day Service
A backflow prevention device is used to protect Perth’s water supply from contamination by backflow from properties connected to the water supply system.
How Does Backflow Occur?
The water supply system is designed to ensure that water flows to your property under pressure. If this pressure is not maintained, there is a chance that water could be drawn backwards into the water main.
Backflow can occur due to pressure changes caused by burst mains, high water usage, firefighting activities, or faults within a property’s plumbing system. When this happens, contaminated water can enter the clean water supply, posing health and safety risks.
Wilmac Plumbing installs approved backflow prevention devices to help ensure your property meets current water authority requirements and protects the wider water supply.
Correct installation of backflow prevention devices is essential for compliance, safety, and long-term system performance. Wilmac Plumbing provides professional backflow installation services for residential, commercial, and strata properties.
We assess your property’s plumbing system to determine the appropriate level of backflow protection required before installing the correct device in line with local regulations.
We can assist with:
- Installation of approved backflow prevention devices
- Assessment of backflow risk within the property
- Installation for residential, commercial, and strata sites
- Compliance-ready installations meeting WA requirements
- Clear advice on ongoing testing and maintenance needs
All installations are completed by licensed plumbers to ensure correct operation and compliance.
Schedule a Professional Plumbing Service
Book a professional plumbing service with experienced technicians delivering reliable repairs, quality installations, and prompt support for residential and commercial plumbing needs.
Why Choose Wilmac Plumbing for Backflow Installation
Wilmac Plumbing delivers reliable backflow installation services with a strong focus on compliance, accurate assessment, correct device installation, and long-term protection of your property and water supply.
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Licensed and Experienced PlumbersAll backflow devices are installed by qualified professionals.
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Regulation-Compliant Installations
We install devices in line with current water authority standards.
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Correct Risk Assessment
We ensure the right level of protection is installed for your property.
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Clear, Practical Advice
We explain installation requirements and future obligations clearly.
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Trusted Local Service
We’ve supported Perth homes and businesses with compliant plumbing solutions for decades.
Our Client Reviews
Absolutely recommend Wilmac Plumbing should you require any plumbing work. I have been let down in the past with self employed plumbers not turning up etc. With Wilmac Plumbing, making the booking was easy as, and they give you a time window when to expect the plumber. If there’s a delay, their service manager rings to give you an update. The plumber arrived, assessed the plumbing issue and promptly completed the repairs. Job well done.
I had a major Drain Blockage that caused both of our toilets to not work, I called Wilmac Plumbing and explained the issue , it was mid morning on a Friday , a Guru Plumber called Gerhart arrived in the afternoon and his knowledge was so impressive , he knew exactly how to fix the problem and did a wonderful job , Wilmac Plumbing are the best Plumbing service providers I have ever had the please to work with, very professional and very good value Five Star Experience
Very happy with the service provided. Josh was courteous, efficient in his work and sorted my problem in no time.Highly recommend Wilmac Plumbing
The plumbing service was excellent .The plumber was on time and completed the job giving total satisfaction. I would recommend Wilmac plumbing to anyone.
Very quick, professional, and friendly.
