Designed for steam bath enclosures up to 600 adjusted cubic feet, this AK Series generator system requires use of a K30, K60 or DK60/30 operating control package. Consider the optional ADK Automatic Drain System for routine maintenance draining after each use. Features · Stainless steel tank · Industrial grade, serviceable heating elements · Modular "snap-in" control connections · Durable electronic components · Electronic water-level control system · Low voltage safety control circuits · Available Auto Drain automatic draining system · Operates with inside/outside shower, on/off, time/temperature controls · Full port drain valve · ASME safety valve · UL/CSA/CE listed Includes · Installation and operation manual · Limited warranty