Amerec AK22 Steam Shower Generator – 22 kW (650–900 cu ft, Ganged System)Amerec AK22 Steam Shower Generator 22 kW (650900 cu ft) The Amerec AK22 Steam Generator is engineered for very large residential and commercial steam rooms that demand exceptional steam output and reliability. Built as a ganged system (11 + 11 kW), the AK22 delivers a combined 22 kW of powerideal for steam rooms sized between 650 and 900 cubic feet. As part of the professional grade Amerec AK Series, the AK22 offers scalable performance, fast steam