The Mr.Steam MSSUPER Steam Shower Generator is engineered to provide years of clean, quiet, reliable, and efficient operation. Designed for medium sized rooms, this generator features the latest steam shower technology and advanced microprocessor operating systems. 10kW- For sauna rooms from 258 to 339 cubic feet 12kW- For sauna rooms from 340 to 411 cubic feet 15kW- For sauna rooms from 412 to 482 cubic feet The Mr.Steam MSSUPER Steam Shower Generator is engineered to provide years of clean, quiet, reliable, and efficient operation. Designed for medium sized rooms, this generator features the latest steam shower technology and advanced microprocessor operating systems. Constructed of corrosion-resistant stainless steel, the MSSUPER Steam Generator is also equipped with industrial-grade heating elements, LED light indicators for diagnostics, durable electronic components, and a precision temperature probe. The compact size of the MSSUPER Steam Generator allows you to install it conveniently out of sight, such as closets, cabinets, insulated attics, or under a sealed bench. Created to save water and energy, the MSSUPER Steam Generator uses less than 2 gallons of water vs 40 gallons of water in an ordinary bath. The optional Express Steam feature is equipped with a built-in thermostat that starts steam in a fraction of the time and maintains the water temperature, allowing you to start steaming quickly. Advanced microprocessor operating system Corrosion-resistant stainless steel tank Industrial-grade heating elements LED light indicators for troubleshooting Low voltage safety control circuits Compact size to fit in small areas Optional Express Steam starts steam quick and maintains water temperature Dimensions: 17"W (43 cm)×7.9"D(20 cm) x18.8"H (48 cm) Installation and Operation Manual Construction Material: Stainless Steel Water Supply Connection: 3/8" NPT