reservoir is a tank, receptacle, bowl, or chamber. A reservoir can be used to store liquid or solid ingredients or can serve as a waste receptacle. In restaurant equipment, examples of reservoirs can be seen on ice machines, beverage equipment, coffee machines, condiment dispensers, dishwashing equipment, waste handling equipment, and many more. Specifications: Capacity: 3 gallons. Height: 1.25 inches. Width: 3.45 inches. Length: 3.45 inches.