The compact design (560mm H x 343mm W x 260mm D) enables convenient outdoor installation without occupying valuable indoor space, while the Flamesafe® overheat protection offers enhanced safety by shutting down the unit if any risk of overheating arises. This model also offers flexible control, featuring optional remote temperature controllers that allow you to set precise temperatures in different areas of your home, ensuring the ideal level of comfort and safety.
Available in both natural gas and propane models, this water heater easily integrates with a range of home setups. Designed to deliver reliable, efficient hot water, the Rheem Ultra 28L is perfect for busy households needing uninterrupted service and peace of mind.

Continuous Hot Water
The Rheem Ultra 28L Gas Continuous Flow Water Heater guarantees an endless supply of hot water, perfect for high-demand households. Its advanced design ensures you’ll never run out, delivering continuous, efficient, and reliable hot water on demand.

Flame Safe
The Rheem 28L Continuous Flow Hot Water System features Flamesafe overheat protection, automatically shutting down the unit to prevent overheating. This advanced safety feature ensures reliable, worry-free hot water performance while maintaining exceptional energy efficiency and durability.

Rheem Q Factor
Equipped with Rheem Q Factor™, this 28L Internal Continuous Flow Hot Water System ensures rapid, consistent hot water delivery every time, eliminating the temperature fluctuations common in other systems and providing a reliably comfortable experience for every use.

Made In Japan
Crafted in Japan, the Rheem 28L Internal Continuous Flow Hot Water System delivers exceptional quality and performance. Designed for larger households, it provides reliable, energy-efficient hot water on demand, compact and space-saving design.