Megaflo is the brand leader in unvented domestic water heating. In addition to the basic advantages of unvented systems, NEW high efficiency Megaflo HE offers a number of features that place it well ahead of the competition in terms of performance, quality and reliability. The NEW high efficiency Megaflo HE now boasts numerous innovative features designed to ensure superior levels of operating efficiency, delivering even more hot water just when you need it! Thanks to the high-performance coil in coil heat exchanger; more hot water is available quicker than ever before. Heatrae Sadia's Specification Advice Team is on hand to discuss requirements for specific projects, applications and product selection.