At Majestic Plumbing, we support the high-performance needs of industrial and infrastructure facilities with reliable, safety-first plumbing solutions. Whether it’s a large-scale factory, a mining site, or an airport terminal, we understand the complexities of these environments and deliver services built for efficiency, compliance, and minimal disruption.. With over 40 years of experience, we have built a reputation for excellence, reliability, and innovation in commercial and industrial plumbing. Businesses across Perth trust us to deliver high-quality solutions that ensure compliance, efficiency, and long-term performance.
Commercial Hot Water Systems
Advertise with us
Seascapes Plumbing & Gas is a Mandurah-based plumbing business with more than 30 years of industry experience. Their fully licensed team provides plumbing and gas services for residential, commercial and maintenance clients, including blocked drains, hot water systems, gas servicing, toilet repairs, leak detection, backflow testing, roof and gutter leaks, tap repairs, commercial kitchens, bathrooms, shop fit outs, renovations and new builds. Reliable, experienced and locally based, Seascapes Plumbing & Gas is well suited to customers looking for a professional plumber across Mandurah, Peel and surrounding areas.
ITC Plumbing Solutions is a trusted Western Australian plumbing contractor, delivering comprehensive services across the commercial, industrial, and residential sectors. With a proven track record on projects of all sizes, we specialise in practical, efficient, and high-quality plumbing solutions tailored to the needs of our clients.
Techworks Plumbing is a Perth-based commercial plumbing contractor operating within the broader Techworks Group alongside Techworks Electrical. Established in 2017, the company delivers maintenance and project services across government, education, transport and commercial sectors throughout the Perth metropolitan area. Known for its integrated plumbing and electrical capability, Techworks provides practical end-to-end solutions for facility managers, local councils, universities and infrastructure clients. The business has built a strong reputation for reliable service, collaborative culture, long-term staff retention and a strong commitment to apprenticeship training and workforce development.
Jewelbic Plumbing & Gas is a Perth-based plumbing and gas contractor delivering high-quality residential, commercial and maintenance plumbing services across Western Australia. Based in Osborne Park and operating since 2014, the business has built a strong reputation for reliable workmanship, attention to detail and responsive customer service. Led by Managing Director Chad Djulbic and a team of around 30 licensed plumbers, gas fitters and trade assistants, Jewelbic delivers everything from blocked drains, burst pipes and hot water repairs through to programmed commercial maintenance, office and medical fitouts, large-scale renovations and new commercial construction projects. With more than 12 years of industry experience, Jewelbic Plumbing & Gas services residential homeowners, builders, commercial clients and facility managers throughout the Perth metropolitan area. The company is part of the broader Jewelbic Group, which also includes Jewelbic Electrical, Jewelbic Building & Maintenance and Jewelbic Brothers, allowing integrated multi-trade delivery on larger projects.
Rodgers Plumbing is a Western Australian plumbing contractor operating as part of The Rodgers Group of Companies Pty Ltd, delivering commercial plumbing, maintenance, drainage, gas fitting, and backflow prevention services throughout metropolitan Perth and regional Western Australia and National if required. Led by Cameron Rodgers, Managing Director and licensed plumber and gasfitter with more than 30 years of industry experience, the company is recognised for providing reliable, professional, and compliant plumbing solutions across projects of all sizes. Specialising in Domestic, Industrial and Commercial Plumbing, Drainage Installation and Repairs Gas Fitting Services fitting and testing Backflow Prevention Testing and installation CCTV Drain Inspections Water Jetting and Drain Cleaning Civil and Underground Plumbing Works Hydraulic Consulting National, Regional and Metropolitan Project Delivery With experienced leadership, qualified personnel, robust safety systems, and extensive equipment resources, Rodgers Plumbing has the capability to successfully deliver small, medium, and large-scale plumbing projects across Western Australia.
Pearl Plumbing and Gas is a locally based plumbing and gasfitting business servicing Burekup, Bunbury and surrounding South West communities. The business provides a broad range of residential and commercial services, including general plumbing maintenance, gasfitting, blocked drains, hot water systems, renovations, construction plumbing and backflow prevention. With experience across maintenance, repairs and new installations, Pearl Plumbing and Gas offers practical plumbing and gas solutions for homeowners, builders, property managers and local businesses. Pearl Plumbing and Gas is also a member of the Master Plumbers and Gasfitters Association of Western Australia, demonstrating its connection with the state’s professional plumbing and gasfitting industry.
BJ Davies Plumbing is a well-established Broome plumbing and gas fitting company with more than 25 years of industry experience. Servicing residential, commercial, and industrial clients across the Kimberley, the business offers a comprehensive range of plumbing, gas, drainage, wastewater, and maintenance services. Known for its local expertise, reliable workmanship, and commitment to quality, BJ Davies Plumbing provides practical solutions backed by a highly skilled team and extensive industry accreditations.
B Green Plumbing and Gas is a Willetton-based plumbing and gas fitting business servicing metropolitan Perth and regional Western Australia. The company provides personalised plumbing and gas solutions across domestic, commercial, renovation and industrial work, with services covering hot water, general plumbing, gas fitting, backflow maintenance, inspections and repairs. The business is a licensed Waterwise plumber and member of The Master Plumbers Association.
Slater Plumbing | Heating | Gas is a family-owned plumbing and gas fitting business based in Margaret River, providing professional plumbing services throughout the South West of Western Australia. Founded by Wes Slater in 2017, the business combines more than 23 years of industry experience with a commitment to honest advice, exceptional workmanship and outstanding customer service. The company delivers a comprehensive range of residential, commercial and industrial plumbing services, including maintenance, gas fitting, hot water systems, renovations and emergency plumbing. Slater Plumbing is also recognised as a specialist in hydronic underfloor heating, designing and installing energy-efficient heating systems for homes and commercial buildings across the region. Working alongside leading builders, architects and designers, Slater Plumbing | Heating | Gas has earned a strong reputation for reliability, professionalism and attention to detail. As a member of the Master Plumbers and Gasfitters Association WA, the business remains committed to delivering high-quality plumbing and gas solutions that meet the highest industry standards.
Find a plumbing business for commercial hot water work
When commercial hot water needs attention
A hot water issue can affect more than one outlet or room. In a commercial or industrial setting, the system may serve multiple fixtures, tenancies, apartments or operational areas, so the practical priority is understanding the extent of the problem and the equipment involved.
Commercial hot water systems may be relevant in commercial kitchens, laundries, hospitals, aged care facilities, schools, hotels, clubs, gyms, workshops and industrial facilities. They can also serve rooms or apartments within larger properties. The appropriate work may involve installation, repairs and maintenance, rather than a simple replacement of one standalone unit.
More than a single hot water unit
Unlike a domestic hot water unit, commercial hot water plant is often made up of connected components. A plant may include gas-fired water heaters, storage tanks, heat pumps, solar pre-heat tanks, circulating pumps, tempering valves, thermostatic mixing valves, expansion vessels, strainers, isolation valves, check valves, pressure-limiting valves, relief valves, control panels and building management system connections.
That combination matters when discussing a fault, an upgrade or a new installation. What appears to be a temperature concern at one outlet may relate to a broader arrangement of plant, pipework, valves, pumps or controls. A plumbing business can consider the available site and asset information in relation to the work requested.
Plant locations and visible equipment
Commercial hot water plant can be located in basement plant rooms, rooftop plant areas, service cupboards, external compounds, laundries, commercial kitchens, mechanical services rooms or dedicated hot water enclosures. The location may influence access planning and the information a plumbing business needs before work can proceed.
Depending on the site, you may see a bank of cylinders, wall-mounted continuous-flow units, large floor-mounted tanks, pumps mounted on pipework, insulated copper or stainless pipework, valve assemblies, gauges and control equipment. Photos of the surrounding equipment and data plates can help identify the plant being discussed without requiring you to interpret the equipment yourself.
Installation, repair and maintenance pathways
Commercial hot water system work can involve gas, heat pump or solar plant arrangements, along with the components that support delivery and control of hot water. The services listed by plumbing businesses may include the following pathways.
- Gas and heat pump plant installation, repairs and maintenance
- Gas and solar hot water unit plant installation, repairs and maintenance
- Gas hot water unit plant installation, repairs and maintenance
- Guardian unit installation, repairs and maintenance
- Hot water circulating pump installation, repairs and maintenance
- Tempering valve installation, repairs and maintenance
- Thermostatic mixing valve installation, repairs and maintenance
Not every plumbing business will offer every type of work. When comparing options, describe the existing plant and the outcome you need so you can identify a business suited to the particular system or component.
Prepare a clearer enquiry for your site
Good site information helps a facility manager, strata manager, business owner, asset manager, maintenance coordinator or government buyer explain the job accurately. Gather what is readily available before making contact.
- Record the site address and the plant-room or equipment location.
- Take note of make, model and serial numbers, and photograph data plates or displayed fault codes where available.
- Describe whether the concern relates to temperature, pressure, noise, a leak, a pump, gas, electrical equipment or controls.
- Confirm whether the issue affects all hot water or only selected areas.
- Provide previous service records if they are available.
- Explain access requirements, shutdown restrictions and who is authorised to approve repairs.
For sites with additional operating controls, it may also be relevant to provide site induction requirements, permits, isolation requirements, environmental controls, shutdown windows, confined-space risks, hot works requirements and any critical production impacts.
What to consider when comparing plumbing businesses
Commercial and industrial properties can have higher access and continuity requirements than smaller sites. Before selecting a plumbing business, consider the plant type, the location of the equipment, how the work may affect occupied areas or operations, and the information needed for site entry and approval.
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 you may encounter
Existing commercial hot water plant may carry names such as Rheem, Rinnai, Bosch, Dux, Thermann, Stiebel Eltron, Solahart, iStore, Reclaim Energy, EvoHeat, Raypak or Simons Boilers. Pumps and related equipment may also display names including Grundfos, Wilo, Lowara, DAB or Davey. These are examples customers may encounter when identifying existing equipment, reading a data plate or discussing a plant arrangement.
Supply channels associated with this area may include Reece, Galvins, Tradelink, Parkwood Plumbing Centre, Bunnings and Plumbing Plus. Brand names can be useful reference points in an enquiry, but the make and model information on the site equipment is more helpful than an assumption about what is installed.
Related commercial and industrial plumbing work
A hot water plant issue can sit alongside other building systems. Where relevant, consider related pumps and pumping equipment, gas fitting and gas plumbing, electrical or general plumbing services. Each has its own scope, so describe the plant and site conditions rather than assuming one service covers all work.
Frequently asked questions
What is commercial hot water plant?
Commercial hot water plant refers to larger systems that can supply multiple fixtures, tenancies, rooms, apartments or operational areas. It is often made up of several connected components rather than one standalone cylinder.
What information should I provide about a hot water fault?
Provide the site address, plant location, make, model and serial numbers if available, photos of data plates or fault codes, the areas affected, the type of issue observed, previous service records, access requirements and repair approval arrangements.
Where might commercial hot water equipment be located?
Plant may be located in a basement plant room, rooftop plant area, service cupboard, external compound, laundry, commercial kitchen, mechanical services room or dedicated hot water enclosure.
Can a commercial hot water system include pumps and valves?
Yes. Commercial plant may include circulating pumps, tempering valves, thermostatic mixing valves and other connected components, alongside heaters, tanks, pipework and controls.
Does every plumbing business provide all commercial hot water services?
No. Available services vary between plumbing businesses. Explain the existing plant, site conditions and the type of work required when comparing businesses.
Why use Find a Master Plumber?
Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia and helps customers choose a plumbing business for their service needs.
Use Find a Master Plumber to choose from Master Plumbers and plumbing businesses associated with Master Plumbers WA. Include clear plant and site details to support a more informed conversation about commercial hot water systems.