Professional Series PS78139 Ice Maker The Professional Series Compact Ice Maker is portable and engineered to produce great tasting ice anywhere you need it. The sleek, compact design is finished in lustrous platinum, and makes the perfect complement to any room or office you put it in. The Compact Ice Maker is easy to use just plug it in, select your cube size small, medium, or large, pour water into the top, and in less than ten minutes you'll have enough ice to beat the heat! Its 1gallon water reservoir produces 35 lbs. of ice every 24 hours. No drain required.