The AllPoints Foodservice Parts & Supplies 22-1339 Control Knob & Dial features a 2-1/4" diameter design, offering precise control with an off setting and a temperature range from 200°F to 400°F. This durable dial is compatible with various models, including Frymaster (part number 8102035), Southbend (part number 1182156), and Vulcan Hart (part number 108659-5). Ideal for ensuring accurate temperature adjustments in commercial kitchen equipment, this replacement part enhances operational efficiency and reliability.