Saunacore 12kw 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 can 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 240 volts 1 phase or 208 volts 3 phase. Includes Sauna Stones. Specifications: 240v/1ph, 50 Amps, 4 Gauge Wire ? 208v/3ph, 33.4 Amps, 8 Gauge Wire; Dimension: 21?w x 31?h x 19?d This product ships within 2 - 3 weeks from time of order.