Gas Continuous Flow

Reliable, On-Demand Comfort

Australia’s first fully electronic gas continuous flow hot water system

The Rinnai Infinity B Gas Continuous Flow Hot Water System sets the benchmark for modern hot water solutions in Australian homes. Building on Rinnai’s pioneering fully electronic gas hot water innovation, the Infinity B delivers a continuous supply of hot water whenever you need it, ensuring reliable comfort for families of all sizes.

Dependable Performance and Energy Efficiency

As a leader in gas continuous flow hot water systems, the Infinity B range offers:

  • • On-demand hot water – no waiting, no storage limitations
  • • Energy-efficient operation – reduces running costs while providing consistent comfort
  • • Advanced electronic controls – precise temperature regulation for safety and convenience
  • • Durable, long-lasting design – built for everyday Australian living

Trusted Expertise for Over 30 Years

With more than 30 years of experience in continuous flow gas hot water, Rinnai continues to deliver efficient, reliable, and convenient hot water solutions. The Infinity B system reflects Rinnai’s ongoing commitment to innovation, quality, and sustainable home comfort.

Whether you’re upgrading an existing system or installing a new hot water solution, the Rinnai Infinity B Gas Continuous Flow Hot Water System ensures your home has hot water on demand, every day of the year.

Infinity B

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Infinity B

The Rinnai Infinity B Gas Continuous Flow Hot Water System is the latest evolution of Rinnai’s trusted Infinity and Builders range, combining proven performance with a fresh new design and upgraded features. Built for Australian homes, it delivers reliable, on-demand hot water without the need for a storage tank.

Designed for efficiency and sustainability, the Infinity B offers excellent energy efficiency, low emissions and reduced water wastage. Advanced low-emission burners and intelligent energy-saving technology help lower running costs while reducing your environmental impact. Its continuous flow design means you’ll never run out of hot water, while Rinnai Puretemp™ temperature control ensures safe, consistent water temperature at every tap.

The Rinnai Infinity B – is a smart, dependable choice for households looking for efficient, modern gas hot water, rebranded and ready for the future of comfort.

Infinity

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Infinity

The Rinnai Infinity Gas Continuous Flow Hot Water System delivers reliable, on-demand hot water with outstanding energy efficiency. Designed for modern Australian homes, it helps reduce water wastage and emissions while keeping running costs low.

With advanced low-emission burners and intelligent energy-saving technology, the Infinity supports a smaller carbon footprint without compromising performance. Its continuous flow design means you’ll never run out of hot water, and Rinnai Puretemp™ temperature control ensures safe, steady water temperatures at every tap.

Combining comfort, efficiency and sustainability, the, Rinnai Infinity Gas Hot Water System provides hot water exactly when you need it – dependable, efficient and built to last.

Instantaneous

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Instantaneous

The Rinnai Flowmaster Instantaneous Gas Continuous Flow Hot Water System provides reliable, on-demand hot water in a compact, space-saving design. It operates without a power point, making it ideal for replacing older gas hot water systems or for low-demand applications where electricity isn’t available.

Designed for efficiency and ease of installation, the Flowmaster delivers class-leading gas efficiency to help reduce energy use and lower running costs. Its instantaneous continuous flow technology means hot water is only heated when you need it, helping minimise waste while ensuring dependable performance.

Backed by a comprehensive warranty, the Rinnai Flowmaster Hot Water System, offers long-lasting durability, peace of mind and an eco-friendly solution for households looking for efficient, gas-powered hot water.

Water Controllers

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Water Controllers

To make the most of your Rinnai Continuous Flow Hot Water Experience, we suggest installing of at least one of our Rinnai Hot Water Controllers.

Controllers enable you to simply set your desired hot water temperature, turn on the hot tap and enjoy, no more mixing hot and cold!

Accessories and Flueing

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Accessories and Flueing

Rinnai offer a comprehensive range of accessories that assist with the installation of our Infinity / Infinity B Gas Continuous Flow Hot Water Systems or enhance the aesthetics of the system installed.

Make installation easy or improve the aesthetics of the installed unit with our range of accessories.

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