The Duke 5580-2 Infinite Switch is a durable switch 120V, 13 AMP for food warmer models F303M, E304M, TAH14, and ACTW-IM. This switch has a flat-down design with a palnut screwed on 4 screw holes and a slot on the shaft to guarantee a firm installation and stable operation. It offers accurate control of the temperature hence recommended for use in commercial kitchen to keep the food w... https://partsfe.ca/infinite-switch-for-duke-part-5580-2