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Why you’ll love it

RestaurantSupply.com is your trusted source for QualServ roll-in freezers.

  • Authorized QualServ dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock QualServ UCFZ633-SS31A roll-in freezers
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

U-Line Corporation UCFZ633-SS31A 33-7/8 Inch Commercial Freezer 35.8 cu ft with Double Door

QualServ  |  MFG #: UCFZ633-SS31A  |  Item #: 1632134
Item: #1632134

Technical details
Manufacturer QualServ (Middleby)
Model Number UCFZ633-SS31A
Manufacturer Part # UCFZ633-SS31A
Size 1 Section
Exterior Finish All Stainless Steel Exterior
Interior Finish All Stainless Steel Interior
Refrigeration Self-contained Refrigeration
Door Type Hinged
Height 89.75"
Width 330.88"
Depth 46.5"
Weight 452 lbs

About this item

Product Details

The U-Line Corporation UCFZ633-SS31A U-Line Commercial Freezer Roll-in is a commercial-grade refrigeration unit designed for high-performance frozen storage in busy foodservice environments. Featuring self-contained refrigeration and a robust all stainless steel exterior, this model offers a spacious 35.8 cubic feet capacity within a 33-7/8" width. Equipped with hinged double solid doors, it provides reliable access and enhanced durability, ideal for restaurant kitchens, catering operations, and institutional foodservice facilities. The unit’s top-mount compressor ensures efficient cooling, with a temperature range from -13°F to 14°F, managed via electronic digital controls with audible alarms. Its CFC-free high-density polyurethane insulated cabinet maintains consistent temperatures, vital for preserving frozen products while ensuring operational cost-effectiveness and compliance with industry standards. The sealed evaporator prevents corrosion, prolonging service life, and the epoxy-coated components further support durability in demanding environments. The design includes a fixed stainless steel loading ramp for convenient access, making it suitable for heavy-duty daily use in commercial kitchens requiring reliable frozen storage.

Top U-Line Corporation UCFZ633-SS31A Features

The U-Line UCFZ633-SS31A commercial freezer is optimized for medium-volume foodservice operations, offering precise temperature control and durable construction. Its self-contained refrigeration system ensures stable freezing, while the all stainless steel interior and exterior provide corrosion resistance and ease of cleaning. The hinged solid doors facilitate quick access and hygiene, suitable for high-turnover environments. Designed for straightforward maintenance, the unit’s sealed evaporator and epoxy coating support long-term performance. With a capacity of 35.8 cubic feet and a top-mount compressor, it meets the demands of busy commercial kitchens, providing reliable frozen storage with minimal downtime.

  • Capacity: 35.8 cubic feet for high-volume frozen storage
  • Material: All stainless steel interior and exterior for durability
  • Ease of Maintenance: Sealed evaporator and epoxy coating simplify cleaning
  • Heavy-duty Use: Hinged solid doors and fixed stainless steel ramp for durability
  • Workflow Integration: Top-mount compressor enhances cooling efficiency in commercial setups

Ideal for foodservice facilities requiring reliable, large-capacity frozen storage with straightforward access and maintenance.

U-Line Corporation UCFZ633-SS31A Technical Specs

This commercial freezer features a self-contained refrigeration system powered by a top-mount compressor, operating at standard electrical requirements suitable for most restaurant and institutional setups—specifically, it is compatible with a NEMA 5-15P plug and is designed for standard 110V/120V outlets with a maximum draw suitable for typical foodservice electrical circuits. The unit’s cooling system utilizes R290 refrigerant, an environmentally friendly hydrocarbon, with a total of 4.2 oz (0.120 kg), ensuring efficient thermal management. Its dimensions measure 89.75" in height, 33-7/8" in width, and 46.5" in depth, with a weight of 452 lbs. The unit’s construction features high-quality stainless steel, resistant to corrosion and easy to clean, with a refigerant capacity capable of sustaining consistent temperatures for frozen foods across various operational demands. The design accommodates frequent door openings, with hinged doors that seal tightly to minimize cold loss. It operates safely within an operating temperature range from -13°F to 14°F, providing food safety and product integrity over long-term storage. The free-standing unit includes a fixed stainless steel loading ramp, and the high-density polyurethane insulation enhances energy efficiency while supporting tight temperature control.

  • Electrical Requirements: 110V/120V, 5-15P plug, suitable for standard outlets
  • Cooling Method: Air-cooled with top-mount compressor
  • Refrigeration Type: Self-contained hydrocarbon refrigeration
  • Production Capacity: Thermally maintains frozen products at -13°F to 14°F
  • Construction & Finish: All stainless steel exterior and interior
  • Dimensions & Weight: 89.75" H x 33-7/8" W x 46.5" D; 452 lbs
  • Temperature Range: -13°F to 14°F maximum safe operating temperature
  • Refrigerant: R290, 4.2 oz (0.120 kg)
  • Compliance & Safety: All materials suitable for foodstorage, corrosion-resistant and easy to clean
  • Maintenance Features: Sealed evaporator and epoxy coatings facilitate cleaning and longevity

Installation & Usage Scenarios: Ensure proper airflow clearance of at least 2 inches, adequate drainage for defrosting, compatible with standard 110V outlets, and sufficient space for door operation. The unit’s design supports heavy daily usage in busy kitchens, requiring minimal routine maintenance.

Dimensions: 89.75" H x 33-7/8" W x 46.5" D

Material: All stainless steel for superior durability and sanitation

Cooling System: Air-cooled self-contained with hydrocarbon refrigerant

Temperature Range: Operational from -13°F to 14°F for frozen storage

Power Supply: 110V, 5-15P plug, suitable for standard outlets

Insulation: High-density polyurethane for energy efficiency

What is a commercial freezer?

A commercial freezer is an industrial-grade cold storage unit designed to preserve large quantities of frozen food at consistent low temperatures. These units are built with durable stainless steel surfaces, high-capacity insulation, and advanced refrigeration systems to maintain temperatures typically below 0°F. Installed in restaurant kitchens, catering operations, or institutional settings, the U-Line UCFZ633-SS31A model features a self-contained refrigeration system, hinged solid doors, and a 35.8 cubic feet capacity, making it suitable for mid-volume bulk storage. Its precise temperature control and corrosion-resistant construction support food safety and operational efficiency, especially in facilities requiring dependable frozen storage for diverse foodservice needs.

Top commercial freezer for medium-volume foodservice settings

Constructed for moderate throughput kitchens, the U-Line UCFZ633-SS31A offers robust build quality and reliable frozen storage. It features self-contained refrigeration, durable all stainless steel construction, and precise temperature control suitable for commercial kitchen operations. This model is ideal for restaurant, catering, and institutional foodservice environments requiring consistent frozen product preservation and efficient workflow management.

  • Medium-volume operations — optimized for daily frozen storage needs
  • Commercial kitchen equipment — durable stainless steel build
  • Foodservice application — ideal for restaurants and catering
  • Moderate throughput — supports efficient kitchen workflow
  • Use case — reliable bulk freezing in institutional kitchens

Why Choose U-Line Corporation UCFZ633-SS31A?

The U-Line UCFZ633-SS31A stands out among commercial freezers with its premium stainless steel construction, energy-efficient hydrocarbon refrigerant, and large capacity designed for medium-volume operations. Its hinged solid doors facilitate quick access and ease of cleaning, while the sealed evaporator extends service life and simplifies maintenance. This model’s compact footprint combined with robust insulation and reliable cooling performance ensures long-term operational efficiency, making it highly suitable for demanding foodservice environments seeking dependable frozen storage with straightforward operation and minimal downtime.

  • Compact footprint with high-capacity storage for busy kitchens
  • Robust stainless steel construction for sanitation and durability
  • Efficient hydrocarbon refrigerant supports energy savings
  • Hinged solid doors for quick access and hygiene
  • Sealed evaporator enhances ease of cleaning and longevity

Customer reviews

U-Line Corporation UCFZ633-SS31A U-Line Commercial Freezer Roll-in
U-Line Corporation (Middleby)

U-Line Corporation UCFZ633-SS31A 33-7/8 Inch Commercial Freezer 35.8 cu ft with Double Door

$16,006.00 $23,889.00

U-Line Corporation (Middleby), UCFZ633-SS31A, U-Line Commercial Freezer, Roll-in, 33-7/8"W, 35.8 cu. ft. capacity, double door, solid doors, autodefrost, CFC-free high-density polyurethane insulated cabinet, electronic digital temperature control with alarms, Base Temperature Range: -13°F to 14°F, epoxy coated, sealed evaporator eliminates potential of corrosion, Fixed stainless steel loading ramp, top mount compressor, R290 refrigerant: 4.2 oz (0.120 kg), AISI 304 stainless steel interior and exterior with locks, 11 ft cord and plug included NEMA 5-15P, NSF/ANSI Standard 7 compliant