Cyclone Xi, a part of the Cyclone XHE® product family, offers up to 96% thermal efficiency. It provides higher hot water output with savings on operating costs compared to units with the standard 80% efficiency, the company says. Space-saving design delivers conventional power-vent or sealed combustion power direct-vent versatil-ity.

Models are available from 120K Btu up to 500K Btu. Each unit includes a submerged combustion chamber with helical heat exchanger coil, powered anodes, Permaglas Ultra Coat glass lining, mechanical venting versatility and a high-efficiency pre-mix powered burner. Its Intelligent Control System with LCD display provides detailed status informa-tion, allows precise temperature control and includes built-in diagnostics.