Glass Refrigerated Doors


The Thermoseal 1400 provides a superior visual product display in a sleek design for a superior customer experience. Designed for easy installation and service and feature quick connect pre-wired lighting and interconnecting frame sections. The 1400 is our most trusted design, providing exceptional thermal protection and durability. It checks all the boxes for your new aluminum swing door systems or as a replacement for your existing glass doors.

Features & Specifications


  • Built to last
  • DOE Compliant
  • Leading competitor door replacement - utilizes the same NCO’s, door dimensions & shelving hook points, offering component level and full system replacement compatibility.
  • Optimal operating environment: 70° / 55% RH


  • Standard Shelving: Doors less than 79"
    Five shelves, shelf depth options include 24", 27", 36" and 42". Door width options include 24", 26", 28" and 30".
    Seven shelves included with all 79" doors.
  • Gravity Flow Shelving:
    Shelf depth options include 24", 27", 36" and 42". Door width options include 24", 26", 28" and 30".
  • Double Wide Shelving:
    Shelf depth options include 27" and 36". Door width options include 24", 26", 28" and 30".


  • LED’s are designed for discerning commercial markets where light saturation levels, color temperatures, limited artifacts and optimum efficiency is required. DOE comes with a dimming LED driver and occupancy sensor, providing a unique technology


  • Standard Slimline Handles: The Standard Slimline Handles are available in black and polished silver.
  • Elliptical Handles: Elliptical handles are available in black, polished silver, nickel, and black anti-microbial.

NOTE: Other handles available for replacement to match existing products – contact factory for specifics.

  • Standard Door Rails: Standard door are available with narrow 1.381” or wide 1.80” designer tape rail. Door rails also available in 1.563” Wide Flat and 1.75” Wide Flat. Available in Satin Silver and Black. Other rails are available to match existing glass doors – contact factory for information.

Energy Consumption Information

This door is designed and certified for use in walk-in cooler and freezer applications. The models and energy consumption rates listed below are a sample of the models certified as compliant with DOE standards and offered for sale. Energy consumption varies by model, and ranges from 0.89 kWh/day to 13.31 kWh/day. Energy consumption rates for all models currently offered for sale can be found here.

Model - Energy Consumption

1400T-MT-2879-1D - 1.1 kWh/day

1400T-MT-2879-2D - 1.75 kWh/day

1400T-MT-2879-3D - 2.4 kWh/day

1400T-MT-2879-4D - 3.06 kWh/day

1400T-MT-2879-5D - 3.71 kWh/day

1400T-LT-2879-1D - 2.86 kWh/day

1400T-LT-2879-2D - 5.3 kWh/day

1400T-LT-2879-3D - 7.76 kWh/day

1400T-LT-2879-4D - 10.22 kWh/day

1400T-LT-2879-5D - 12.68 kWh/day


Door Construction: Aluminum Door Frame, Reversible Door Swing, 3 Pane Non-Heated Glass, Automatic Hold-Open, Hinge Pin, Torque and Sag Adjust, Magnetic Door Gaskets, Standard 27” Deep Shelving, Energy Controller and LED Lights, DOE Compliant

Options: Energy-Free Cooler Door, French Door Frame (cooler applications only), Full Length Handle, Cylinder or POM Lock, Energy Controller, Extra Shelves, Black / White Epoxy-Coated Shelf Posts

Medium Temp:

3-Pane Glass Pack with Argon Gas 75°F

55% RH Ambient/35°F Walk-in

Medium Temp - High Humidity:

3-Pane Glass Pack with Argon Gas 65°F

65% RH Ambient/35°F Walk-in

Low Temp:

3-Pane Glass Pack with Argon Gas 75°F

F, 55% RH Ambient/-15°F Walk-in

LowTemp - High Humidity:

3-Pane Glass Pack with Krypton Gas 75°F

65% RH Ambient/35°F Walk-in

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