When a backflow device needs testing, maintenance, repair or replacement, clear site information helps a plumbing business understand the work and its operational context. Commercial and industrial backflow work can involve access, safety, asset records and shutdown considerations alongside protecting the potable water supply from contamination.
The Plumbing & Gas Guys is a Western Australia–based plumbing and gas fitting business delivering reliable residential and light commercial services across the Perth metropolitan area.
The company focuses on providing responsive, high-quality workmanship with an emphasis on customer service, transparency and practical solutions. With a strong reputation for prompt service and professional communication, The Plumbing & Gas Guys supports homeowners, property managers and small businesses with both maintenance and installation needs.
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Triple T Plumbing and Civil is a Western Australian-owned contractor specialising in commercial hydraulics, plumbing and civil drainage services for major construction and development projects.
Based in Balcatta and operating across Perth and WA, Triple T has more than 25 years of industry experience and delivers hydraulic and civil solutions for commercial, residential, industrial, infrastructure, aged care, health and education projects.
The company provides a broad range of services including commercial plumbing, civil drainage, stormwater and sewer systems, wet fire services, siphonic drainage, rainwater harvesting, Water Corporation sewer and water extensions, and design-and-construct hydraulic packages.
Led by Managing Director Peter Banovich, Triple T is known for technical capability, reliable project delivery, strong project management and a collaborative approach with builders, developers and construction partners. The business places a strong focus on quality, safety, accountability and delivering high-standard project outcomes.
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Cooke & Dowsett is a national commercial and industrial plumbing business with a Western Australian office based in Malaga. The company services the construction industry across a wide range of sectors, including accommodation, commercial, defence, education, health, infrastructure, retail, sports and leisure.
With a history dating back to 1992, Cooke & Dowsett has built a strong reputation for delivering professional plumbing services on major construction projects across Australia and New Zealand. The business specialises in commercial plumbing, design and construction, hydraulic systems, gas services, fire services, civil drainage, prefabrication and project management of plumbing services.
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Pro Plus Plumbing Pty Ltd is a family-owned and operated plumbing and gas fitting company based in Wangara, servicing residential, commercial and industrial clients across the Perth metropolitan area.
Established on strong family values, the business provides plumbing maintenance, leak detection, gas fitting, hot water systems, water filtration, renovations and new construction plumbing, delivering reliable and cost-effective solutions for every project.
As a Water Corporation Endorsed Plumber and member of the Master Plumbers and Gasfitters Association of WA, Pro Plus Plumbing is committed to quality workmanship, professional service and industry best practice.
With a reputation built on attention to detail, honest advice and long-term customer relationships, Pro Plus Plumbing continues to be a trusted plumbing partner for homes and businesses throughout Perth.
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PLUMBING REPAIRS IN PERTH
Looking for a trusted Perth plumber? One who values excellent customer service and quality workmanship?
We’re Harleys Complete Plumbing Services in Perth. A family-owned business with over 60 years of combined plumbing experience. We cover commercial and industrial installations, maintenance and emergency repairs.
whatever your plumbing needs, we’re here to help.
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North City Plumbing & Gas is a trusted Wangara-based plumbing contractor servicing residential, commercial and construction clients throughout the Perth metropolitan area and greater regional Western Australia. Known for its innovative approach, prompt service and quality workmanship, the company specialises in new housing, commercial projects, renovations, maintenance plumbing, gas fitting, drainage and hot water systems.
Established in 2010, North City Plumbing & Gas combines experienced tradespeople with the latest plumbing technologies to deliver practical, cost-effective solutions backed by exceptional customer service, transparent pricing and a commitment to quality on every project.
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West Leederville Plumbing is a family-owned and operated plumbing contractor that has been providing quality plumbing services across Perth for more than 45 years.
The business specialises in commercial plumbing projects and also delivers residential plumbing, maintenance, drainage, gas and fire services throughout the metropolitan area.
With a reputation built on strong workmanship, reliability and attention to detail, West Leederville Plumbing works closely with builders, businesses and homeowners to deliver professional plumbing solutions tailored to each project.
As a long-established family business, West Leederville Plumbing continues to be recognised for its commitment to quality, customer service and getting the job done right every time.
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Centreside Plumbing was established in 2008 and has quickly become one of the most respected Plumbing Companies in Perth.
We service the residential housing and unit development market, specialising in New Homes, Renovations, Commercial projects and Vacant Strata works, offering a premium service to our Customers.
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City Plumbing & Gas Pty Ltd is a Perth-based plumbing and gas specialist providing residential, commercial and emergency services. With more than 25 years of combined experience, the team handles general plumbing maintenance, blocked drains, CCTV drain inspections, hot water systems, gas fitting, leak detection, renovations, backflow prevention, property management and strata plumbing. City Plumbing & Gas focuses on prompt, professional and cost-effective service delivered by fully licensed and qualified plumbers.
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World of Plumbing and Gas Pty Ltd (WOPAG) is a family-owned and operated business formed in 2012. We are a team of fully qualified and professionally trained plumbers and gas fitters servicing residential and commercial customers in Landsdale and surrounding areas in Perth.
With over 20 years’ experience, our business grew from servicing our family, friends, and neighbours to partnering with trusted builders for large commercial plumbing and gas installation, maintenance and renovations projects. We work closely with other contractors and suppliers to complete projects on time and deliver excellent results.
World of Plumbing & Gas is fully insured and a member of the Master Plumbing Association of Western Australia, ensuring that all our plumbers and gas fitters are OH&S trained and compliant with safety regulations.
Our commitment to our clients is to provide exceptional plumbing and gas services through quality workmanship, affordability, and reliability. Our approach to emergencies makes us a good choice in handling plumbing and gas services.
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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.
