The AllPoints Foodservice Parts & Supplies 221187 is a high-quality thermostat knob designed for Frymaster fryers, specifically models GF14, GF14-SD, and GF40. With a diameter of 2-1/4 inches, this dial features an Off-375-230 temperature range, allowing for precise control over frying temperatures. The knob is designed for easy mounting with a .187" flat down configuration, ensuring a secure fit and reliable performance. Upgrade your fryer with this essential part to maintain optimal cooking conditions and enhance your foodservice operations.