Amerec AK18 Steam Shower Generator – 18 kW (500–700 cu ft, Ganged System)Amerec AK18 Steam Shower Generator 18 kW (500700 cu ft) The Amerec AK18 Steam Generator is engineered for very large residential and commercial steam rooms requiring high steam output and consistent performance. Configured as a ganged system (9 + 9 kW), the AK18 delivers a combined 18 kW of steam power for rooms sized between 500 and 700 cubic feet. Built on the professional grade Amerec AK Series platform, the AK18 provides fast steam generation,