We are an established, independent business with a proven record of delivering specialised solutions throughout Western Australia for over 45 years. With our highly skilled team, modern fleet and award-winning projects showcased state-wide, we are dedicated to providing exceptional service and value to our clients. We are family owned and operated and our reputation is built on forming strong relationships, working collaboratively to achieve unique and cost-effective results whilst maintaining the highest quality and safety standards. We offer a wealth of industry expertise and our well-recognised capabilities add value to projects from concept through to completion. The agility we are known for facilitates innovative turnkey solutions that overcome unique project challenges, saving time and providing value for money. Our client base is diverse and includes private businesses and public utilities in the resources, Defence, Commercial, Retail, Health and Community infrastructure sectors. We strive to deliver every project successfully as a trusted, reliable partner, whether we are leading as Head Contractor or supporting Australia’s most renowned Contractors.
Backflow in Bull Creek, WA 6149
Selected Plumbing is a Perth-based commercial plumbing and hydraulic services contractor with more than 40 years of experience delivering major projects across Western Australia. Specialising in hydraulic services, underground infrastructure, commercial plumbing, fire services, gas installations and design-and-construct solutions, the business supports government, health, education, aged care and commercial developments throughout the state. With more than 500 completed projects, a team of over 60 professionals and a strong commitment to apprenticeship development, Selected Plumbing has built a reputation as one of WA’s leading commercial plumbing contractors.
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Hilton Plumbing is an award-winning, family-run Perth plumbing business established in 1980. Based in Bibra Lake, the team provides domestic and commercial plumbing, gasfitting, hot water, blocked-drain, leak-detection and emergency services across metropolitan Perth. Recognised by MPAWA as Employer of the Year and for Excellence in Customer Service in both 2024 and 2025, Hilton Plumbing is committed to honest advice, upfront pricing and dependable workmanship.
HouseWorks Plumbing & Gas combines technical expertise with a strong commitment to customer service, transparency and reliability. Whether undertaking routine maintenance, responding to emergency repairs or delivering renovation plumbing projects, the team focuses on providing practical solutions, clear communication and quality workmanship. Their reputation for prompt service, upfront pricing and dependable outcomes has made them a trusted choice for homeowners and businesses across Perth.
Commercial Plumbing Co Pty Ltd is a Bibra Lake-based plumbing business specialising in industrial, commercial and mining projects across Western Australia. The business provides design, installation and maintenance services, with capability across hydraulic systems, civil drainage design and plumbing works required to comply with Australian Standards. With a strong focus on safe and effective project delivery, Commercial Plumbing Co Pty Ltd supports clients with commercial plumbing, civil drainage, hydraulic design and project-based plumbing services. The company operates from Unit 2, 52 Cocos Drive, Bibra Lake WA 6163, and holds Plumbing Licence PL 8947.
DHM DiHydrogenMonoxide Plumbing & Gas Service is a Bull Creek-based plumbing and gas fitting business servicing domestic and commercial clients across Perth. The business provides practical plumbing and gas support across hot water systems, wet area renovations, plumbing, drainage and gas services. With a focus on prompt, reliable and affordable service, DHM Plumbing & Gas Services supports homeowners and businesses with repairs, installations, maintenance and renovation-related plumbing work. The company provides licensed plumbing, gas and restricted electrical support, with services available for both residential and commercial properties.
Tap Doctor South Pty Ltd is a Booragoon-based plumbing and gas fitting business servicing residential and commercial customers throughout the Perth metropolitan area. Established in 2009, the company combines the strength of the nationally recognised Tap Doctor network with the personalised service of a locally owned Western Australian business. The business provides a comprehensive range of services including emergency plumbing, plumbing maintenance, gas fitting, blocked drains, leak detection, hot water systems, backflow prevention and commercial plumbing. With 24/7 emergency support, no call-out fee during normal business hours and upfront pricing, Tap Doctor South has built a reputation for reliable, customer-focused service. As a member of the Master Plumbers and Gasfitters Association WA, Tap Doctor South Pty Ltd is committed to delivering licensed, compliant and high-quality plumbing and gas fitting solutions while maintaining the highest standards of professionalism, safety and workmanship.
Find a Master Plumber for backflow work
Protecting the water supply without losing sight of site operations
Backflow is a practical concern for businesses, facilities and industrial sites that need to protect the potable water supply from contamination. The work centres on backflow prevention devices and may involve installation, replacement, maintenance, fault finding and testing.
For a commercial or industrial property, the device itself is only part of the conversation. Access to the area, the importance of the asset, site safety arrangements and the potential effect on operations can all shape how the work is planned. A clear enquiry gives a plumbing business useful context from the outset.
What backflow work may involve
Backflow prevention work is concerned with devices used to protect potable water from contamination. The appropriate scope depends on the existing equipment, its condition, access and the site setting. Commercial backflow prevention may involve a new installation, replacement of existing equipment, ongoing maintenance, testing or investigation of a reported fault.
| Service need | What to have ready |
|---|---|
| Installation or replacement | Details of the proposed or existing location, photos, equipment labels where available, and site access information. |
| Repairs and maintenance | A description of the issue, relevant photos or video, asset records and any previous service information. |
| Testing | The device location, asset reference, access arrangements, operating restrictions and any available maintenance history. |
These are distinct service pathways, although one visit may reveal that further work needs consideration. Providing the available information early helps the plumbing business understand the request without assumptions about the site.
Why site context matters
Commercial / industrial backflow work often sits within a working environment rather than an isolated maintenance task. The relevant device may be in a plant room, a controlled area or another location with specific access and safety requirements. Some sites also need work planned around occupied areas, permitted working hours or a defined shutdown window.
Industrial operators may also need to consider process impacts, isolation requirements, environmental controls, permits, confined-space risks, hot works requirements and critical production impacts. These matters do not determine the solution on their own, but they are important context to raise when choosing a plumbing business for the work.
Facility managers, strata managers, business owners, asset managers, maintenance coordinators and government buyers can make the initial conversation more efficient by nominating a contact person and identifying who is authorised to approve work.
Prepare a useful backflow enquiry
- Identify the site and contact: provide the property address, a contact person and clear access instructions.
- Locate the equipment: include the asset ID, plant-room reference or other location detail, plus labels on existing equipment where available.
- Describe the request: state whether the need is installation, repairs and maintenance, testing, replacement or fault finding, and share photos or short video if useful.
- Explain operating conditions: note whether the area is occupied, any urgency or safety concerns, and the water or gas isolation status.
- Flag site controls: advise of inductions, parking or loading details, permitted working hours, shutdown restrictions and any required permits or controls.
- Share records: provide drawings, manuals, the last service report and maintenance history where these are available.
For sites with particular controls, it can also be useful to advise whether a SWMS/JSA, confined-space control or working-at-heights control is required. This supports realistic planning around the conditions at the property.
Choosing a plumbing business for commercial backflow prevention
Start by matching the request to the service required: installation, repairs and maintenance, or testing. Then consider whether the plumbing business can understand the relevant asset information, access arrangements and operational restrictions before work is planned. For an industrial environment, process, safety and environmental context may be especially important to communicate.
Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia. Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project.
The Association has represented Western Australia’s plumbing and gasfitting industry since 1901. Its members must adhere to the Association’s Code of Conduct, which sets expectations for honest transactions, ethical business behaviour, lawful plumbing practice, cooperation within the industry and apprentice training.
Brands and products customers may encounter
Backflow equipment, related products and supply channels can vary across sites. Examples customers may encounter include Reece, Galvins, Tradelink, Parkwood Plumbing Centre and Plumbing Plus, along with RMC, AVG, Watts, Febco, Zurn, Wilkins, Apollo, ValvCheQ, Bermad, Enware and Testo. These names are examples of brands, systems and supply channels associated with backflow products; their presence at a site does not by itself determine the work required.
Photos of labels and existing equipment can help a plumbing business recognise what is already in place and consider product suitability alongside access and site conditions.
Related commercial and industrial plumbing services
Backflow may sit alongside broader water, drainage and asset-management considerations. Where the site’s needs extend beyond a backflow device, related commercial and industrial service areas include filtration, drainage, pumps and pumping equipment, storm water systems and drainage, grey water systems, leak detection and general plumbing. The right next service depends on the site and the work required.
Backflow questions
What is backflow work intended to protect?
Backflow work protects the potable water supply from contamination through the testing, installation and repair of backflow prevention devices.
What backflow services can I seek through Find a Master Plumber?
The backflow service category includes installation, repairs and maintenance, and testing.
What information should I provide before contacting a plumbing business?
Useful details include the property address, contact person, access instructions, equipment location or asset ID, photos of the area and labels, available records, and any site restrictions or safety controls.
Why do shutdown windows matter?
A shutdown window may affect how work is planned around site operations. If one is required, advise the plumbing business when making the enquiry.
Can industrial-site requirements affect the enquiry?
Yes. Industrial sites may have process impacts, isolation requirements, environmental controls, permits, confined-space risks, hot works requirements or critical production impacts that should be raised early.
Why choose a Master Plumber?
Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project. Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia.
Use Find a Master Plumber to choose a plumbing business for backflow installation, repairs and maintenance, or testing. Include the site location, equipment details and relevant access or operational information to start a more informed conversation.