The AllPoints Foodservice Parts & Supplies 221203 Thermostat Knob is designed for precise temperature control in various foodservice equipment. With a diameter of 2-1/2 inches, this knob features a low temperature range of 250-500°F, ensuring optimal performance for your cooking needs. The mounting dimension of .290 inches allows for easy installation, while the flat position at 320°F provides a clear reference point for accurate temperature settings. This durable electrical part is essential for maintaining consistent cooking temperatures, enhancing the efficiency of your foodservice operations.