RMC Plumbing Services is a locally owned family business providing trusted plumbing and gas services across Bunbury, Eaton, Australind, Dalyellup, and the greater Southwest region. With the promise that “Plumbing is easy with RMC,” our company delivers reliable, efficient, and stress-free solutions for homes and businesses. Our experienced team specialises in maintenance, repairs, and new installations, focusing on quality workmanship, honest pricing, clear communication, and dependable results.
Gas / Solar HWU Plant Installation
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.
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Allscope Plumbing & Gas is a Western Australian plumbing and gas business specialising in commercial, construction, industrial and civil sector work. Established in 2021 by Carl Walsh and Matthew Edwards, the company brings more than 38 years of combined experience and provides installation, construction, upgrades, service and maintenance, preventative maintenance and project management services across WA.
When you choose Broome Plumbing and Gas, you’re opting for a seamless and hassle-free experience.
Koormal Contracting is Western Australia's largest Indigenous-owned plumbing contractor based in Bunbury, delivering specialist plumbing, gas fitting, civil drainage and asset maintenance services throughout regional and remote Western Australia. The company services the commercial, utilities, mining and government sectors, combining technical expertise with a strong commitment to Indigenous engagement, culture and community outcomes. Owned and operated by Gavin "Possum" McGuire and Michael Jones, Koormal Contracting brings together more than 50 years of combined experience in remote and regional project delivery. The business has built a reputation for quality workmanship, safety, reliability and successfully delivering complex infrastructure and maintenance projects across Western Australia.
Exy Plumbing & Contracting is an Exmouth-based plumbing and gas business servicing residential, commercial and industrial clients across Exmouth and the surrounding region. The business provides practical plumbing and gas support with a focus on reliable service, strong local knowledge and quality workmanship suited to regional conditions. Starting with a single ute, Exy Plumbing & Gas has grown into a large local plumbing business supporting the Exmouth community with emergency plumbing, plumbing repairs, maintenance, installations and project-based plumbing work. The business is family-owned and built on trust, hard work and strong local values.
BMC Plumbing & Gas is a Kalgoorlie and Peel-based plumbing and gas fitting business providing reliable services across residential, commercial and mining sectors. Founded in 2018 by Bradley and Melanie Crockett, the business has grown into a capable team servicing Kalgoorlie, the Goldfields and the Peel region, with experience across repairs, installations, emergencies, mine site works, commercial maintenance, drainage, hot water systems, gas fitting and renovation plumbing.
DJ Blackburn Plumbing & Gas is a Perth-based plumbing and gas business providing domestic, commercial, industrial and hydraulic plumbing services. The business has built a reputation as a trusted and reliable hydraulic contractor, supporting major contractors and project-based clients across Perth. Established in 1996 by owner and operator David Blackburn, DJ Blackburn Plumbing & Gas brings more than 25 years of plumbing experience across domestic, commercial, industrial and hydraulic plumbing work. The business provides practical plumbing and gas support with a focus on reliable service, professional workmanship and strong project capability.
Impulse Plumbing is a Canning Vale-based commercial and industrial plumbing contractor servicing builders, businesses, civil contractors and project clients across Perth and Western Australia. The business provides hydraulic services, commercial plumbing, industrial plumbing, drainage, gas, hot water systems, backflow and project-based plumbing support. Privately owned and established in 2002, Impulse Plumbing has built a strong reputation as a highly regarded hydraulic services company in Perth. The business supports major building and civil projects, as well as smaller-scale commercial and industrial operations, with a focus on high-quality project delivery, professional workmanship and strong relationships with recognised commercial builders.
Bunbury Plumbing Services is a Bunbury-based plumbing and controlled waste services business providing residential, commercial and regional plumbing support across Bunbury and the South West. Originally established in 1990 as Bunbury Plumbing Services, the business has grown from a dedicated maintenance plumbing provider into BPS (WA) Pty Ltd, offering plumbing, emergency repairs, appliance installations, solar water heaters, sewer conversions, backflow testing, septic waste services and potable water cartage. With a strong focus on reliable service, customer care and quality workmanship, Bunbury Plumbing Services supports clients with both everyday plumbing needs and larger service requirements. The business operates a modern fleet including controlled waste tankers, excavators, tip trucks, low loaders, potable water tankers and other specialist equipment, allowing the team to complete work efficiently and safely across a wide range of sites.
Discuss your commercial hot water plant requirements
Hot water planning for larger commercial sites
A gas and solar hot water plant is suited to a building where hot water demand, daytime use or energy-reduction priorities warrant a connected plant rather than a single standalone unit. Solar collectors can heat water during the day, while gas plant boosts water to the required temperature when solar gain is insufficient.
Commercial hot water systems may serve multiple fixtures, rooms, tenancies or operational areas. A well-prepared installation enquiry helps a plumbing business understand the existing plant, the location of the work and the practical conditions that may affect planning.
How gas-boosted solar hot water plant works
A commercial solar hot water system installation with gas booster combines two heat sources. Roof-mounted solar collectors, or collector arrays on a frame, usually capture solar energy during the day. Water is stored and managed through the plant, with gas boosting available when the solar contribution does not meet the required temperature.
This arrangement may be considered where a building has high daytime hot water demand or where reducing energy use is a priority. The final plant arrangement depends on the site, existing equipment, access and operational requirements.
Equipment customers may see around the site
A commercial solar preheat gas hot water system installation may involve solar collectors, insulated flow and return pipework, solar storage tanks, gas boosters, pumps, controllers, sensors, tempering valves and safety valves. Storage tanks are often large vertical cylinders located in a plant room, roof plant area or external compound.
Other components can include isolation valves, non-return valves, expansion control valves, pressure and temperature relief valves, thermostatic mixing valves, air bleed valves, strainers, check valves and drain valves. Their presence reflects the interconnected nature of commercial hot water plant.
When installation planning deserves close attention
Installation may be part of a new plant decision, an upgrade to an existing commercial hot water arrangement, or a response to changing site needs. Before selecting a plumbing business, it is useful to establish whether the work relates to an existing solar and gas plant, a planned replacement or a new system arrangement.
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. Location matters because access arrangements, roof access, working-at-heights controls, site inductions and shutdown restrictions can all affect how work is planned.
Information that supports a productive first conversation
- Site address and the plant-room, roof or compound location.
- Photos of solar collectors, tanks, gas boosters, controller displays and data plates.
- Make, model and serial details where available.
- Whether hot water demand affects all users or only part of the building.
- Site access requirements, inductions, permitted working hours and shutdown restrictions.
- Previous service records, manuals, drawings and known fault history.
- The person authorised to approve work.
Existing plant signs worth recording
If installation planning follows concerns with an existing system, record what has been observed rather than trying to diagnose the cause remotely. Useful observations can include poor solar contribution, cold water complaints, loss of circulation, overheating, relief valve discharge, controller messages or poor performance during peak periods.
Details such as whether an issue occurs in the morning or evening, whether the gas booster appears to be operating, and any displayed fault codes can give a plumbing business clearer context. Photos of labels and the surrounding plant area can also help identify the equipment involved.
Choosing a Master Plumber for commercial hot water work
Commercial and industrial sites can have higher access, continuity and asset-information requirements than a typical household job. When approaching a plumbing business, be ready to discuss plant location, asset identifiers, access conditions, site induction requirements, maintenance records and any planned shutdown window.
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 purpose includes promoting quality plumbing that protects community health and safety.
Brands and products customers may encounter
Commercial hot water plant can involve products and supply channels from a range of businesses. Examples customers may encounter include Rheem, Rinnai, Bosch, Dux, Thermann, Solahart, Envirosun, Apricus, Grundfos and Wilo. Other names associated with the broader plumbing supply chain include Reece, Galvins and Tradelink.
Data plates, controller displays, pump labels and existing service records can help identify the equipment already installed. Sharing those details gives a plumbing business useful context when discussing a gas / solar hwu plant installation or changes to an existing plant.
Related commercial hot water work
A solar preheat arrangement is only one form of commercial hot water plant. Depending on the system and the purpose of the work, a customer may also need to consider gas and heat pump plant installations, gas hot water plant installation, circulating pump installation, tempering valve installation or thermostatic mixing valve installation.
Where equipment is already in place and the concern is performance or a fault rather than a new installation, repairs and maintenance for gas and solar hot water plant may be the more relevant next step.
Frequently asked questions
What is a gas and solar hot water plant?
It is a connected commercial hot water arrangement that uses solar collectors to pre-heat water and gas plant to boost water when solar gain is not enough.
Where is commercial solar hot water equipment commonly located?
Collectors are usually installed on a roof or frame. Storage tanks and other plant may be located in a plant room, roof plant area or external compound.
What details should be provided when discussing installation?
Useful details include the site and plant location, photos of equipment and data plates, access requirements, existing records, shutdown restrictions and the authorised contact person.
Why do roof access details matter?
Solar collectors are commonly roof-mounted, so roof access and any height-safety requirements can affect how installation work is planned.
Can Find a Master Plumber help customers choose a plumbing business?
Yes. Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with Master Plumbers WA.
For a gas / solar hwu plant installation, gather available plant details, site access information and records before choosing a plumbing business through Find a Master Plumber.