Duke ADI-4FT 50-1/4 Inch Self-Contained Frost Top Unit Stainless Steel with Drain

The Duke ADI-4FT Drop-In Frost Top Unit is a professional-grade, self-contained refrigeration system designed for commercial foodservice environments. Measuring 50-1/4 inches in width by 17-1/4 inches in depth, this stainless steel surface features durable, corrosion-resistant 300 series stainless steel top rim with overhang and locking tabs for secure installation. Equipped with an air-cooled condensing unit and a 1-inch brass drain with plug, it provides reliable cold storage for chilled food displays, prep stations, or buffet applications. The unit operates with R134a refrigerant and includes a remote mounted on/off switch with a stainless steel faceplate, requiring a 2-3/16 inch by 4-1/8 inch cutout. Its robust steel exterior housing ensures years of dependable use in busy kitchen settings, making it a targeted choice for commercial foodservice operators seeking precision, durability, and seamless integration into existing back-of-house layouts.

Top Duke ADI-4FT Features

The Duke ADI-4FT Frost Top Unit combines solid construction with efficient self-contained refrigeration tailored for moderate-volume foodservice settings. Its stainless steel surface and weatherproof housing facilitate easy cleaning and durability under daily use. Designed for precise temperature control, it supports quick food presentation and prep, fitting seamlessly into outfitted prep stations or display areas. The unit’s integrated switch and drain system simplify maintenance, reducing downtime in busy commercial kitchens.

• Precise temperature regulation for food safety
• 300 series stainless steel top rim with locking tabs
• Steel exterior housing for enhanced durability
• Easy access for cleaning and maintenance
• Ideal fit for undercounter or built-in applications

Suitable for installation in commercial kitchen prep or display areas requiring reliable refrigeration.

DCU-4FT Technical Specs

The Duke ADI-4FT features a 1/4 HP compressor, providing consistent cooling with an air-cooled condenser designed for optimal airflow. It has precise dimensions of 50-1/4 inches in width and 17-1/4 inches in depth, with a height of 16 inches, facilitating integration into standard cutouts. Weighing 300 lbs, this unit offers robust build quality with a stainless steel surface and steel exterior housing suited for high-traffic foodservice environments. It operates on a standard 115-volt circuit with a 5-15P plug, consuming approximately 299.99 in shipping costs. Designed for everyday durability, it maintains safe operation within typical cold storage temperatures and is built to withstand commercial kitchen sanitation requirements, requiring regular cleaning with compatible solutions. It integrates seamlessly into existing cabinetry with professional installation, and includes essential drain and switch components for hassle-free operation.

• Electrical requirements: 115V, 5-15P plug, 299.99 shipping cost
• Cooling method: Air-cooled condenser
• Refrigeration type: Self-contained
• Production capacity: Not specified, suitable for moderate applications
• Construction & finish: Stainless steel surface, steel exterior housing
• Dimensions: 50-1/4"W x 17-1/4"D x 16"H
• Weight: 300 lbs
• Temperature range: Maintains optimal cold storage with regulated temperature
• Food safety: Constructed from materials compatible with food contact and cleaning
• Operation features: Remotely switched, drain with plug, locking tabs for secure setup

• Electrical & power setup: 115V power, standard outlet compatibility
• Ventilation & airflow: Requires adequate clearance for optimal airflow
• Drainage setup: 1-inch brass drain with plug for routine maintenance
• Installation clearance: 17-1/4 inches front-to-back for installation ease
• Cleaning routine: Easy surface cleaning with stainless steel compatible products
• Accessibility: Side panels and drain for quick service

What is a commercial Frost Top and Cold Slab?

A commercial Frost Top or Cold Slab is a built-in refrigeration surface designed for food presentation, prep, and display in professional kitchens and cafeterias. Typically installed in undercounter or countertop applications, it features a self-contained refrigeration system that maintains chilled surfaces suitable for holding meats, cheeses, garnishes, or other perishable items. The Duke ADI-4FT Frost Top Unit is a precisely engineered model ideal for moderate-volume foodservice environments, such as restaurant prep stations, buffets, or retail displays. It combines durable, corrosion-resistant materials with reliable cooling technology to support efficient workflow and ensure food safety during prolonged service periods.

Top Frost Top for Foodservice Settings

Built for moderate foodservice workflows, Duke ADI-4FT delivers precise cold retention with durable stainless steel surfaces and a reliable self-contained refrigeration system. Ideal for prepared foods, buffet displays, and prep stations in commercial kitchens, it ensures consistent performance for mid-volume operations. Manufactured by Duke, model ADI-4FT, it supports efficient food presentation and streamlined maintenance.

• Operation type — moderate-volume commercial kitchens
• Kitchen type — compact, built-in or undercounter setups
• Foodservice category — buffet, prep, display stations
• Workload qualifier — steady throughput for daily food staging
• Use case — maintaining chilled food presentation and prep efficiency

Why Choose Duke ADI-4FT?

Compared to similar models, the Duke ADI-4FT offers a robust all-steel exterior, integrated dumping drain, and a proven air-cooled refrigeration system tailored for reliable daily operation. Its stainless steel surface enhances sanitation and ease of cleaning, while the compact footprint facilitates versatile installation in various commercial configurations. The self-contained design simplifies setup and reduces maintenance downtime, supporting continuous foodservice performance without complex plumbing or extensive installation requirements.

• Compact footprint allows seamless integration into tight spaces
• Corrosion-resistant stainless steel surface supports sanitation standards
• Self-contained refrigeration minimizes installation complexity
• Durable steel exterior housing withstands busy kitchen environments
• Reliable air-cooled system ensures consistent temperature control