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Blizzard NU-99420 14.8 cu. ft. (420 L) -86°C Ultralow Freezer

The Blizzard™ NU-99420 14.8 cu. ft. (420 L) -86°C Ultralow Freezer (ULT) from NuAire offers core standard features and reliable performance for the storage of storage of cancer cells, stem cells, cord blood, T-cells, organ/tissue and other samples.

Currently avaiable worldwide. Coming Winter 2017 to United States and Canada.

UL Canada United States Listing   CE Mark

Part #: NU-99420


Blizzard™ Ultralow Temperature Freezers (ULT) provide stable storage conditions for your samples and offer advanced features at an affordable price. Vacuum insulated panels surround the storage chamber to provide greater temperature uniformity and maximize storage space. A dual compressor system dependably maintains consistent storage conditions. Blizzard™ Ultralow Temperature Freezers are the safer choice for your storage needs.

Design and Technology

Power Factor Control

Monitors, compensates, and protects against facility line voltage variations.

Four Internal Shelf Locations (Three Adjustable / One Stationary)

Provides flexibility in rack configurations.

HFC Refrigerants

Commercially available HFC refrigerants are efficient, environmentally safe, and non-ozone depleting.

Vacuum Insulated Panels (VIP)

Surround the storage chamber offering increased temperature stability and maximizing interior volume.

Remote Alarm Contacts

RS 232 and RS 485 provide connection ports for popular monitoring systems.

Battery Backup

Powers the freezer electronics and alarma systems in the event of an interruption in the primary power source. In the event of a power failure, the battery backup will power electronics and alarm systems.

Front Filter Access

Allows convenient access for regular maintenance to the washable condenser filter.

Outer Door Claw Latch

Maintains a tight seal to minimize frost built-up, yet requires minimal effort to open the freezer door.

Removable Insulated Inner Doors

Gasket sealed inner doors allow access to selected samples while preventing frost build-up and thermal intrusion in other parts of the interior.

Multi-point Gasket System

Four gaskets located on the outer door and one gasket on each inner door protects against thermal intrusion.

A USB Port

Easily accessible from the front of the freezer to download data.

Pressure Equalization Port

The Pressure Equalization Port is heated with a spring assisted mechanism to prevent icing allowing the freezer door to be opened shortly after adding samples.

Sample Ports

Two sample ports are located on the back top and bottom of the freezer to allow convenient access for monitoring tools.

Circular Chart Recorder

A circular chart recorder (optional) can be front-mounted for independent temperature recording and monitoring.


5 Year Parts and Labor (United States and Canada)

4 Year Parts (Worldwide)

Standard Features

  • Balanced cascade refrigeration system
  • Microprocessor control system
  • USB data logging port
  • RS 485 contract point
  • RS 232 contact point
  • Ambient temperature display
  • Multi-check alarm system w/ ring back
  • Self check diagnostic system
  • Line voltage display
  • Auto line voltage compensation
  • Compressor delay protection
  • Low voltage booster
  • High voltage protection
  • Noise level ≤ 50dba
  • Vacuum insulated non-CFC polyurethane foam insulation
  • 4 inner shelves (3 adjustable/1 fixed)
  • 4 insulated sealed inner doors w/ claw latch
  • Multi-point gasket system
  • Heavy duty outer door claw latch
  • External door lock
  • Pressure equalization port
  • Battery backup (Up to 72 hour life)
  • 2 Accessory Ports (Back Wall, Top and Bottom)
  • Quantity 4 Casters
  • Quantity 4 Leg Leveling Feet
  • Defrost scraper (Qty 1)



ULT Model NU-99420
Rack Model DCJ-10-A
Rack Configuration 10 Row / 1 Column
Rack Capacity


# of 5 cm (2") 2 ml Fiberboard Boxes in Racks 


# of 2 ml Samples Vials, 5 cm (2") Box, 100 Cell Dividers  27,000


Model NU-99420
Configuration  Chest
 Interior Volume 14.8 ft3 (420L) 
Interior Dimenions (W x D x H) 

53 4/5 x 18 1/x 25 7/10 in

(1367 x 462 x 652 mm)

Exterior Dimenions (W x D x H) 

 83 9/10 x 34 3/10 x 40 1/5 in 

(2130 x 870 x 1020 mm)

Temperature Range   -40oC to -86oC
Net Weight 357 lbs (310 kg)
Electrical Configurations

G: 220V / 60Hz

E: 230V / 50 Hz




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