Regal Coffeemaker. Brews 10 30 cups Commercial Model is UL approved. 1 year warranty. Polished aluminum percolator brews perfect coffee and automatically holds it at the ideal serving temperature. Regal Ware's commercial aluminum coffee urns are economically priced and built to brew flavorful coffee day after day. These urns are ideal for caterers, restaurants, schools, hospitals, nursing homes, offices and shops.