Never run out of hot water again with our range of Rinnai gas water heaters, manufacturer of the world's number one selling brand of on-demand, continuous flow water heaters. Check out the new range of Condensing range, the next generation of gas water heaters. These new products incorporate the latest in condensing water heating technology for superior energy efficiency and supreme performance. Rinnai’s unique condensing technology incorporates two heat exchangers to achieve optimum water heating generated from every cubic metre of LPG. The condensing process delivers up to 95% thermal efficiency, which translates to significant energy savings when compared to standard on-demand water heaters.