The Amerec AK-Series 30kW consists of three tandem steam units (one 9kW and two 11kW) and is engineered for home or spa steam showers up to 1300 adjusted cubic feet (ACF). Required control package sold separately. AK steam shower generators includes a stainless-steel tank, industrial-grade heating elements, modular snap-in control connections, durable electronics, an electronic water level control system, and several other innovative features. Available in either 240V/1PH or 208V/3PH configurations. The Amerec AK30 steam bath generator carries a limited lifetime warranty and is fully serviceable. This steam shower unit installs conveniently out of sight in cabinets, closets, vanities, and other similar locations. Amerec steam shower generators are ETL listed to ensure your safety and peace-of-mind.