Spare board for equipment no longer in use . Looks to be in great condition. But do not know if it works.The Carel HVAC Board UPCB001BS0 is a specific model designed for use in HVAC and refrigeration systems. This board, manufactured by Carel, is an essential component for controlling and regulating the functions of the system. It provides the necessary circuitry and controls to ensure efficient operation and maintenance of the HVAC system. With its focus on precision and reliability, the Carel HVAC Board UPCB001BS0 is a crucial part of any industrial or commercial refrigeration setup.