The **Hatco GRSB-54-I 55 1/2" Drop-In Warming Shelf** is a high-performance, thermostatically controlled food warming solution designed for professional kitchens, school cafeterias, and buffet lines. Part of the **Glo-Ray® series**, this warming shelf delivers **even, consistent heat** up to **200°F** using a **foil, blanket-type heating element**, ensuring food stays warm without overheating. The **aluminum surface with indented platform** provides stability and durability, while **fiberglass insulation** maintains temperature efficiency, reducing energy costs. Ideal for high-volume settings, this unit features **4 adjustable warmers**, a **lighted on/off rocker button**, and **seamless trim** for a clean, professional look. Its **drop-in design** allows for easy installation under existing shelving, making it a versatile choice for commercial kitchens. With a **1-year parts & labor warranty** and a **2-year element warranty**, the Hatco GRSB-54-I offers long-term reliability for restaurants, cafeterias, and food service operations. Whether you need a **countertop food warmer** for buffet service or a **school cafeteria warming shelf**, this unit combines **precise temperature control, energy efficiency, and rugged construction**—key factors that make it a top choice for professional chefs and kitchen managers.