The Scandia Ultra Sauna Heater models 18240 and 18208 deliver exceptional performance and reliability for large sauna spaces. Designed to heat rooms up to 1,680 cubic feet, these powerful heaters are built entirely from stainless steel, including the element channels, which are crafted from spec 321 jet engine stainless steel for unmatched durability and efficiency. Manufactured in the USA, these heaters feature an innovative steamer tray that ensures 100% vaporization, keeping the elements dry and extending their lifespan. High-density imported rocks enhance heat retention, providing a consistently warm sauna environment.