The Blakeslee D-8 Model is rated to wash up to 55 racks of dishes per hour, when set for a one-minute cycle. Blakeslee Door-Type Dishwashers are also available in a two rack Double D-8 model, with twice the dish capacity; and in a ???Tall??? Model (D-8T) that can accommodate 18??? x 26??? bake pans and large pots. Built-in electric or steam heated water booster heaters are available as an option.