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Why you’ll love it

RestaurantSupply.com is your trusted source for NU-VU electric convection oven and proofers.

  • Authorized NU-VU dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock NU-VU QB-3/9 electric convection oven and proofers
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

NU-VU QB-3/9 36 Inch Oven/Proofer Electric Solid State Controls Stainless Steel

NU-VU  |  MFG #: QB-3/9  |  Item #: 403990
Item: #403990

Technical details
Manufacturer NU-VU (Middleby)
Model Number QB-3/9
Manufacturer Part # QB-3/9
Oven Control Solid State Controls
Oven Size Full/standard Size
Deck Qty 1 Deck
Interior Finish Stainless Steel Interior
Height 77.75"
Width 36.13"
Depth 28.63"
Weight 590 lbs
NSF Yes
cETLus Yes
Made in USA Yes

About this item

Product Details

The NU-VU QB-3/9 Electric Convection Oven and Proofer combines commercial-grade baking and proofing capabilities within a versatile, space-efficient package designed for professional foodservice environments. Featuring solid state controls, tempered glass field reversible doors, and stainless steel construction, this unit offers precise temperature and humidity management suitable for bakeries, pizzerias, and institutional kitchens. With capacities for (3) 18" x 26" or (6) 13" x 18" pans for oven and (9) 18" x 26" or (18) 13" x 18" pans for proofer, it supports high-volume throughput. Its 1-deck interior, stainless steel finish, and 77.75" height optimize durability and easy cleaning, making it a reliable solution for demanding culinary applications. Powering the unit is a 5.14 kW electric supply, encompassing independent heat and humidity controls, with NSF and cETLus approval, and USA manufacturing.

Top NU-VU QB-3/9 Features

The NU-VU QB-3/9 electric oven/proofer supports high-capacity food production with independent heat and humidity controls, durable stainless steel construction, and a user-friendly solid state control system. Its reversible tempered glass doors enable easy access, while heavy-duty casters facilitate mobility in busy kitchens. Designed for medium-volume operations, its dual-functionality streamlines baking and proofing workflows, ideal for fast-paced commercial environments.

  • High Pan Capacity: Accommodates (3) 18" x 26" or (6) 13" x 18" pans for versatile loading
  • Solid State Controls: Enable precise, reliable temperature and humidity adjustments
  • Stainless Steel Construction: Ensures durability and simplifies cleaning in commercial kitchens
  • Reversible Glass Doors: Provide convenient access and optimized workflow with field-reversible hinges
  • Heavy-Duty Casters: Allow smooth, secure mobility for flexible kitchen setup

Ideal for medium-volume baking or proofing in bakeries, restaurants, or institutional cafeterias, this unit enhances operational efficiency.

NU-VU QB-3/9 Technical Specs

The NU-VU QB-3/9 model operates on a 5.14 kW electric power supply, with voltage specifications compliant with standard commercial kitchen requirements. Its single-deck interior features a stainless steel finish, measuring 36.13" wide, 28.63" deep, and 77.75" high, with a shipping weight of 590 lbs. The heating system is furnace-connected, with independent humidity controls within the proofer section, supporting consistent baking and proofing conditions. Designed for durability, it includes NSF and cETLus approvals, with a construction tailored to withstand rigorous daily use. The unit is built in the USA, with a straightforward maintenance routine facilitated by its accessible design and quality materials. Its operating temperature range accommodates standard baking and proofing needs, with maximum temperature resistance suitable for professional kitchen demands.

  • Electrical Requirements: 5.14 kW, compatible with standard 3-phase power supply
  • Construction & Finish: Stainless steel exterior and interior for longevity and sanitation
  • Dimensions: 36.13"W x 28.63"D x 77.75"H, supporting integrated kitchen layouts
  • Capacity: 3 oven pans, 9 proofing pans, flexible for various batch sizes
  • Cooling Method: Air-cooled ventilation ensures efficient heat dissipation

What is a commercial convection oven and proofer?

A commercial convection oven and proofer is a professional kitchen appliance designed for simultaneous baking and proofing tasks, providing precise temperature and humidity control in a compact, durable package. The NU-VU QB-3/9 model, with its stainless steel construction, reversible glass doors, and independent humidity controls, supports demanding baking environments such as bakeries, pizzerias, and institutional kitchens, making it ideal for medium-volume operations that require consistent results and operational efficiency.

Top convection oven and proofer for medium-volume bakery and restaurant applications

Designed for professional kitchens, the NU-VU QB-3/9 combines durable build quality, precise control, and space-efficient operation, making it optimal for bakeries, restaurants, and institutional foodservice environments. Its independent heat and humidity controls support consistent baking and proofing workflows, suitable for medium-volume throughput and high-efficiency culinary preparation.

  • Medium-volume foodservice — supports consistent batch baking and proofing
  • Compact commercial space — fits seamlessly into bakery or kitchen layouts
  • Convection oven/proofer — offers dual functionality for baking and proofing
  • Reliable performance — NSF, cETLus, USA-made construction ensure longevity and sanitation
  • Automatic temperature regulation — supports steady, reproducible results in busy settings

Why Choose NU-VU QB-3/9?

NU-VU QB-3/9 stands out with its robust stainless steel design, integrated independent humidity controls, and field-reversible doors that enhance operational flexibility. Its reliable solid state controls improve temperature stability for consistent baking and proofing, while its durable construction and portability features streamline workflow in high-demand commercial kitchens.

  • Self-contained design minimizes installation complexity compared to open systems
  • Heavy-duty casters support flexible kitchen arrangements and mobility
  • Durable stainless steel offers long-term sanitation and durability
  • Independent humidity controls optimize proofing precision
  • Reversible tempered glass doors improve accessibility and workflow

Certifications

ETL US & Canada Listed logo

ETL US & Canada Listed

The item meets or exceeds ETL safety standards as well as those set by Canada and the U.S.

Made in the USA logo

Made in the USA

This item was made in the United States of America.

NSF Listed logo

NSF Listed

The item meets the standards imposed by NSF International. These standards relate to health, public safety and the environment.

Certifications

Customer reviews

NU-VU QB-3/9 Oven/Proofer Electric Oven (3) 18 "x 26" Or (6) 13 " X 18"
NU-VU (Middleby)

NU-VU QB-3/9 36 Inch Oven/Proofer Electric Solid State Controls Stainless Steel

$15,478.00 $28,143.00

NU-VU (Middleby), QB-3/9, Oven/Proofer, electric, oven (3) 18 "x 26" or (6) 13 " x 18", proofer (9) 18 "x 26" or (18) 13 " x 18" pan capacities, solid state controls, tempered glass field reversible oven doors, indicator lights for thermostats, manual fill proofer, V-Air® technology, separate heat & humidity controls for proofer, overflow drain & pan, stainless steel construction, heavy duty casters, 5.14kW, cETLus, NSF, Made in USA