The Rinnai Infinity B20 Gas Continuous Flow Hot Water System delivers reliable, energy-efficient hot water tailored for Australian households. Specifically designed for homes with one bathroom—or up to two in warmer climates—this compact yet powerful unit ensures you never run out of hot water, no matter the demand.

Featuring a continuous flow design, the Infinity B20 heats water on demand, significantly reducing energy usage compared to traditional storage systems. Its impressive 6 Star energy rating underscores its commitment to sustainability while delivering a strong 20-litre per minute flow rate, making it an ideal solution for growing families.

Built to thrive in Australia’s diverse climate conditions, the Infinity B20 combines durable construction with smart design. A slim, space-saving profile allows flexible installation options, while an easy-to-read status monitor and user-friendly temperature controls enhance daily convenience. Puretemp temperature stability technology ensures a consistent and comfortable hot water experience, even during multiple back-to-back showers.

Available in both Natural Gas and LPG models, this system integrates seamlessly with low-flow fixtures and optional Rinnai hot water controllers for added control. Whether upgrading your existing system or installing in a new build, the Infinity B20 is engineered for performance, efficiency, and peace of mind.