We wanted to get away from the heavy, menacing look of conventional wall-hung gas condensing water heaters and their square casing, so we designed the front of the unit in an oriental bamboo style. The curved bamboo shape provides a slim and smooth design. We used bamboo because we wanted to emphasize the characteristics of cleanliness and environmentally friendliness. The parallel water connection gives the water heater that bamboo tree look (CASCADE SYSTEM). The touch screen controller on the front of the unit adds ease of use and luxury to the design.