The Rheem Stellar gas hot water system is the first Australian made hot water system that attains thermal proficiency of 89%. This hot water system has a remarkable 5 star energy rating helping you to save both energy and money, whilst at the same time looking good with its modern design. Its innovative technology and Superflue increases the level of performance and durability, giving it an outstanding recovery rate of 200 litres of hot water every hour and a longer life. Rheem Stellar comes in two capacity models – 130 litres (which gives you 330 litres of hot water in the first hour and then 200 litres every hour thereafter), and 160 litres (which provides you 360 litres of hot water in the first hour and then 200 litres every hour).