The Duke 153144 Convection Oven Fan Switch is a black rocker switch designed for fan speed control in compatible commercial convection ovens. Its SPDT ON-ON configuration provides high and low fan selection, supporting proper airflow control during oven operation. The switch features three 1/4-inch quick-disconnect terminals and is rated at 15A from 125 to 277V. It is used in compatible 6/13 oven E Series equipment and can serve as a replacement when an existing fan switch becomes worn, damaged, or unreliable. Proper switch operation helps maintain consistent fan control and airflow inside the oven chamber. This component is suitable for commercial foodservice equipment maintenance and electrical repair applications requiring dependable fan switching performance during regular oven use.