Gas Continuous Flow

Reliable, on-demand comfort

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

The Rinnai Infinity / 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 / 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 / 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

Why choose a Rinnai Infinity /  Infinity B Gas Continuous Flow hot water system?

The Infinity / Infinity B system offers several advantages over traditional storage tanks or older gas systems:

  • • Continuous, on-demand hot water – ideal for large households or high-use homes
  • • Energy-efficient gas operation – lower running costs and reduced environmental impact
  • • Compact, flexible installation – perfect for modern homes with limited space
  • • Trusted Rinnai reliability – backed by over 30 years of continuous flow expertise
  • • Advanced temperature control – safe and convenient hot water for all your household needs

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 / 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 / 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

Continuous hot water you can rely on – Never run out with Rinnai 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 modern design and upgraded features. Built for Australian homes, it delivers reliable, on-demand hot water and continuous hot water without the need for a storage tank.

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

The Rinnai Infinity B is a smart, dependable choice for households seeking efficient, modern gas hot water with the confidence of continuous hot water and long-lasting comfort.

Infinity

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Infinity

Continuous, reliable hot water on demand

The Rinnai Infinity Gas Continuous Flow Hot Water System delivers uninterrupted hot water with exceptional energy efficiency. Designed for modern Australian homes, this gas hot water system provides continuous hot water on demand, ensuring you never run out while keeping running costs low.

With advanced low-emission burners and smart energy-saving technology, the Infinity Gas Hot Water System reduces emissions and supports a smaller carbon footprint without compromising performance. Its continuous flow design and precise Rinnai Puretemp™ control maintain safe, steady water temperatures at every tap, offering a sustainable, efficient, and reliable hot water solution for your home.

Australia’s original number one on demand gas continuous flow hot water system.

Flowmaster Instantaneous

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Flowmaster Instantaneous

Instant gas performance with no power required

The Rinnai Flowmaster Instantaneous Gas Continuous Flow Hot Water System delivers reliable, on-demand hot water in a compact, space-saving design. Powered entirely by gas, this instant hot water system requires no electricity or power point, making it ideal for replacing older gas units or for homes, off-grid properties and low-demand applications where power isn’t available. With continuous flow technology, hot water is only heated when you need it, so you never run out while reducing energy waste.

Designed for efficiency and easy installation, the Flowmaster provides class-leading gas performance to help lower running costs and improve energy efficiency. Its durable construction ensures dependable instant hot water for everyday use, offering a practical and eco-friendly solution for households looking for continuous hot water without the need for electrical connection.

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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