The Scotsman 12-2317-21 Ice Machine Timer & Switch is a 125V control component used in compatible commercial ice machines. It combines timer and switching functions to manage electrical circuits according to the machine’s operating sequence. The timer controls the timing interval, while the switch changes the connected circuit as required during operation. This component is useful for maintaining proper timing and electrical control within the ice-making system. It can be considered for service applications when an existing timer or switch is worn, damaged, or no longer functioning correctly. Suitable for restaurants, cafeterias, hotels, commercial kitchens, and other foodservice facilities using compatible ice equipment.