Saunacore 21kw Standard Commercial Sauna Heater w/ Mercuri Digital Wall Control. The Standard Commercial is a freestanding sauna heater ideal for commercial settings. Saunacore heaters offer both outstanding safety and energy saving features, as well as sleek, high technology design that an be used wet or dry. The innovative ventilation system allows these heaters to run up to 50 degrees cooler than most heating units on the market. This heater is 208 volts, 3 phase.208v/3ph, 58.4 Amps, 4 Gauge Wire; Dimension: 21? This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Sauna Heaters". The seller is "saunaplace" and is located in this country: US. This item can be shipped to United States.