Patent ID: 8215228

Claim:
A refrigerator having a flow control system for guiding liquid through an enhanced beverage preparation process, the refrigerator comprising: a. a liquid flow path having an inlet adapted for fluid communication with a source of liquid and an outlet adapted for fluid communication with a receiving point; b. the flow control system configured between the inlet and outlet of the liquid flow path at the refrigerator and configurable between: i. a flow-through mode adapted to produce the enhanced beverage by passing liquid through the liquid flow path; and ii. a parallel flow mode adapted to produce the enhanced beverage by passing liquid through the liquid flow path and an enhancement flow path and combining at a mixing point: c. an enhancement cartridge removably insertable at the refrigerator, the enhancement cartridge comprises a flow-through configuration or a parallel flow configuration and an inlet and an outlet with a seal openable by passing liquid through the liquid flow path.