Our Hot Water Heater Brands

Residential & Commercial Hot Water Plumbers

Our plumbers have vast experience in sourcing, installing and servicing a range of hot water heater brands for both residential and commercial clients across Sydney.

Hot water is an essential part of modern life, providing warmth and comfort in our homes and businesses. It’s a luxury we often take for granted, but it’s something we can’t do without. At GRH Plumbing Group, we understand how important it is to have a reliable and efficient hot water system that meets your needs. That’s why we offer a range of hot water heater services, including installation, repair, and maintenance, for some of the most trusted hot water heater brands in the market, such as Dux, Rinnai, and Rheem. We’re also able to provide services for a variety of other hot water heater brands, such as Bosch, Zip, Vulcan, Thermann and Stiebel Eltron.

At GRH, we’re equipped to handle any type of hot water heater issue, whether it’s a minor repair or a complete system installation. We’re passionate about providing quality services that you can rely on, no matter what brand of hot water heater is installed in your home. Our expertise extends to a range of other brands as well, so even if your hot water heater isn’t a Dux, Rinnai, or Rheem, we’re still here to help.

When you choose GRH for your hot water heater needs, you can trust that you’re getting a service that’s tailored to your specific needs. Our professionals will work closely with you to identify your requirements and suggest the best hot water heater brands and models that suits your needs. Best of all, we believe in providing transparent pricing, so you’ll always know exactly what you’re paying for.

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IconRheem Hot Water Heaters

If you’re in Sydney and need a hot water system upgrade, repair, or maintenance service for your Rheem, look no further than GRH Plumbing Group. Rheem is a trusted Australian brand that has been producing high-quality hot water heaters since 1937. Known for its superior performance, Rheem is suitable for both residential and commercial use.

With its sleek design and advanced technology, a Rheem hot water heater delivers maximum performance with minimal energy consumption. Its efficient operation ensures that all of your hot water needs are met, whether it be for showers, laundry, or cleaning. At GRH, our licensed professionals are trained to provide a wide range of Rheem services, including installation, repair, and maintenance.

Decades of Quality

With over 80 years of experience in the industry, Rheem produces high-quality hot water systems that are built to last. With a range of hot water systems available, you can expect to enjoy a hugely reliable and consistent product.

Easy Installation

Rheem hot water systems are known for their ease of installation. They are designed to be easily installed by professionals, meaning that you can enjoy the benefits of a Rheem hot water system quickly and without any hassle.

Durability and Longevity

Built with high-quality materials and components, these systems are highly durable and long-lasting. With proper maintenance, a Rheem hot water system can last for many years, providing you with reliable and efficient hot water.

IconRinnai Hot Water Heaters

Rinnai is a renowned hot water system brand that has been providing Australian homes with a reliable supply of hot water since the early 90s. The brand made its mark with the launch of the country’s first fully electronic gas continuous-flow hot water system known as Rinnai Infinity. This new technology revolutionised the way Australians enjoy hot water, and it remains a much-loved household water heater to this day.

At GRH Plumbing Group, we understand the importance of having a reliable hot water system. Our licensed professionals have the expertise and experience needed to install, maintain, and repair Rinnai hot water systems throughout Sydney. Whether you need a new hot water system installation, routine maintenance, or emergency repair services, we’re here to help.


Rinnai hot water systems are designed with energy efficiency in mind, helping you save money on your energy bills and reduce your carbon footprint.


Rinnai offers a range of compact hot water systems that are perfect for smaller homes or properties with limited available space.


Rinnai hot water systems are built to last, with durable components and high-quality materials. They are backed by a solid warranty and have a reputation for reliability, making sure the system works when they need it.

IconDux Hot Water Heaters

Dux hot water heaters have been a popular choice for Australians for over 100 years. Known for their reliability, durability, and high-quality, Dux offers a range of hot water systems suitable for any household or commercial setting. Dux hot water systems are designed with energy efficiency in mind, ensuring you can enjoy hot water with minimal impact on the environment and your wallet.

Dux offers a range of innovative hot water systems, including electric, gas, and solar-powered systems, catering to a wide range of needs and budgets. Whether you need a small system for your apartment or a large system for your business, Dux has a solution that is perfect for you. With a focus on quality, efficiency, and affordability, Dux hot water heaters have earned their place as a trusted brand in the Australian market.

Strong Warranty

Dux offers one of the strongest warranties in the hot water industry, with up to 12 years on some of their products. This provides customers with peace of mind knowing that their investment is protected against any faults or defects.

Customisable Options

Dux offers customisable hot water systems to fit the specific needs of households and businesses. From compact models for smaller spaces to larger capacity systems for commercial applications, there is a Dux system that will fit your requirements.

Smart Technology

Some hot water systems come equipped with smart technology, allowing you to control your system remotely, adjust settings based on your usage habits, and even monitor energy consumption in real time.

IconBosch Hot Water Heaters

Bosch, a trusted name in the heating industry, brings over a century of expertise to Australian households. With a commitment to innovation and efficiency, Bosch hot water heaters are designed to deliver optimal performance and reliability. Their extensive range includes gas, electric, and heat pump systems, catering to diverse needs and preferences.

Bosch hot water heaters combine cutting-edge technology with environmentally conscious features, ensuring energy efficiency and reduced carbon footprint. Whether it’s a compact unit for a small home or a high-capacity system for commercial use, Bosch offers a solution tailored to every requirement.

As a reputable plumbing partner, GRH Plumbing Group takes pride in providing expert installation, maintenance, and repair services for Bosch hot water heaters in Sydney, ensuring your access to a continuous and hassle-free supply of hot water.

Energy Efficient

Bosch hot water heater systems are designed with advanced technology to maximise energy efficiency, reducing your energy consumption and utility bills. With their intelligent heating mechanisms and innovative features, you can enjoy hot water without compromising on environmental responsibility.

Reliable and Durable

Bosch hot water heater systems are known for their robust construction and long-lasting performance. Built to withstand the rigours of daily use, these systems ensure a consistent supply of hot water, providing you with peace of mind and a reliable source of comfort year after year.

Versatile Range

Bosch offers a versatile range of hot water systems to suit different needs and spaces. From compact tankless models to high-capacity storage tanks, you can find the perfect Bosch hot water heater that precisely matches your requirements

IconVulcan Hot Water Heaters

Vulcan is a trusted and time-tested hot water heater brand that has been serving Australians for decades. With a strong focus on reliability, performance, and affordability, Vulcan hot water heaters have become a popular choice for residential and commercial settings alike.

The brand’s commitment to innovation ensures a wide range of hot water solutions, including electric and gas systems, catering to diverse needs and budgets. Vulcan’s reputation for durability and efficient performance has earned the trust of homeowners across the country.

At GRH Plumbing Group, we recognise the importance of providing our customers with top-quality options, and that’s why we offer professional installation, maintenance, and repair services for Vulcan hot water heaters throughout Sydney. Count on us to keep your hot water flowing reliably and efficiently with Vulcan.

Cost-Effective Solution

With Vulcan hot water heaters, you can enjoy an energy-efficient solution that won’t break the bank. These systems are designed with a focus on energy efficiency, helping you reduce your utility bills without compromising on comfort.

Easy Installation and Maintenance

These systems are designed with user-friendly features, allowing for hassle-free installation by professionals like us at GRH. Additionally, routine maintenance is straightforward, ensuring smooth operation and prolonging the lifespan of the heater.

Trusted Brand and Warranty

Backed by a solid warranty, Vulcan hot water heaters offer peace of mind, knowing that you are investing in a quality product. This combination of brand trust and warranty coverage makes Vulcan a preferred choice for customers who are seeking reliable hot water solutions.

IconStiebel Eltron Hot Water Heaters

With over 90 years of experience in the industry, Stiebel Eltron continues to be a trusted choice for homeowners and businesses alike. Their cutting-edge technology ensures efficiency and reliability in every unit, offering diverse hot water solutions, from tankless electric to heat pump systems.

Committed to sustainability, their eco-friendly designs reduce energy consumption and environmental impact. A Stiebel Eltron hot water heater guarantees consistent and cost-effective hot water, making it a smart investment for any property.

GRH Plumbing Group’s licensed professionals excel in installing, maintaining, and repairing Stiebel Eltron heaters, ensuring optimal performance and longevity. Trust Stiebel Eltron and our team at GRH for your hot water needs.

Space-Saving Design

Stiebel Eltron offers compact and space-saving hot water heater systems that are perfect for homes with limited space. Their sleek and innovative designs allow for easy installation in tight spots, making them an ideal choice for apartments, condos, and smaller properties.

Cutting-Edge Technology

Stiebel Eltron hot water heaters utilise advanced technology for precise temperature control and energy efficiency, delivering hot water on demand while reducing wastage. Ideal for homes and businesses, they offer unparalleled convenience and performance.

Exceptional Performance

Stiebel Eltron hot water heaters offer exceptional performance, providing a continuous and reliable supply of hot water. Crafted with top-quality materials, these systems are built to last, offering years of trouble-free operation.

Why Choose Us

The Grh Plumbing Difference

Discover the GRH Plumbing advantage for all your hot water heater needs. With a focus on attention to detail, affordable pricing, and a commitment to customer satisfaction, we are your trusted partner for exceptional hot water solutions that exceed expectations.

About Us

Precision & Expertise

At GRH Plumbing, we are dedicated to precision and expertise in all our services, including hot water solutions. Our experienced team conducts thorough evaluations of your system and utiliSes state-of-the-art equipment for professional installations and repairs, guaranteeing optimal performance. Rely on our dependable reliability and efficient service for exceptional hot water solutions that go above and beyond your expectations.

Budget Friendly

We believe that high-quality plumbing services should be accessible to all. That’s why we offer competitive and transparent pricing structures that are customised to your specific requirements and budget. At GRH Plumbing, we never compromise on quality, and we provide upfront pricing with no hidden fees or surprises. Count on us for reliable and cost-effective hot water solutions that deliver long-term value without breaking the bank.

Customer Centric Approach

At GRH Plumbing, our customers are at the core of everything we do. We are committed to delivering exceptional customer service and ensuring your complete satisfaction with every project. Our licensed and insured hot water specialists take pride in providing top-notch services and fostering enduring relationships with our clients. Choose GRH Plumbing for stress-free hot water solutions that prioritise your needs and peace of mind.

Frequently Asked Questions

What factors do I consider to choose a hot water system that's right for me?

When choosing a hot water system, there are several factors to consider, such as the size of your household, the number of bathrooms, and your water usage habits. It is important to choose a system that is the right size for your needs to ensure maximum efficiency and cost-effectiveness.

Additionally, consider the energy rating of the system, as this will have an impact on your energy bills. It is also important to choose reputable hot water heater brands that has a track record of reliability and quality performance. GRH Plumbing Group can provide expert advice on choosing the right system for your needs and budget, as well as installation and maintenance services to ensure the longevity and optimal performance of your hot water system.

How often should I have my hot water heater serviced?

It’s important to have your hot water heater serviced regularly to keep it running efficiently and extend its lifespan. Most manufacturers recommend an annual service to ensure that your system is working as it should be.

During a service, a qualified technician will check for any signs of wear and tear, inspect the valves and connections, and clean any buildup that may be affecting the performance of the unit. Regular servicing can help to identify any potential problems early, such as leaks or corrosion, which can prevent costly repairs or replacements in the future. By scheduling a yearly service, you can rest assured that your hot water system is operating efficiently and providing reliable hot water to your home or business.

How long does a hot water heater installation take?

The duration of a hot water heater installation can vary depending on several factors, such as the type of heater, location, and complexity of the installation. Generally, installation can take anywhere from a few hours to a full day. Our team at GRH Plumbing strives to complete installations as efficiently as possible, without compromising on quality.

What are some signs that my hot water heater needs to be repaired or replaced?

Some common signs that your hot water heater may need repair or replacement include insufficient hot water, leaks or puddles around the heater, strange noises coming from the unit, and a significant increase in your energy bills. If you notice any of these signs, it’s best to contact a professional at GRH Plumbing for an assessment and repair.

Can I install a hot water heater myself?

It’s not recommended to attempt a hot water heater installation yourself, as it requires specialised knowledge and skills to ensure that the installation is safe and up to code. It’s best to leave it to the professionals at GRH Plumbing, who have the necessary training and experience to handle hot water heater installations safely and efficiently.