This Hoshizaki 2A7664-04 is a control board designed for use in Hoshizaki ice machines. It serves as the "brain" of the ice machine, controlling various functions such as water flow, refrigeration cycles, and ice harvesting. The control board integrates electronic components like sensors, microprocessors, and relays to ensure the efficient and reliable operation of the ice machine. https://partsfe.com/2a7664-04-hoshizaki-control-board-j