Glass Refrigerated Case Doors

Thermoseal 1400T1.563” Wide Flat Rail Aluminum Swing Door System

The Thermoseal 1400T provides a clean wide rail appearance along with the endurance and energy efficiency that has come to be expected. Superior product visibility, pre-wired lighting with quick disconnect for easy servicing and interconnecting frame sections that support most any size line-up. The 1400T Wide Flat Rail Is by far our most popular model which also offers easy to-install cooler and matching freezer door and its numerous features provide for long-term performance and effective product merchandising. The 1400T offers exceptional thermal protection and is built to last. The 1400T is great product option for your glass door needs but also makes for an excellent replacement option for your existing glass door needs!

Features & Specifications


  • Built to last
  • DOE Compliant
  • Leading aftermarket replacement door, 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”.
  • Standard Shelving – doors 79”: Seven shelves, shelf depth options include 24”, 27”, 36” and 42”. Door width options include 24”, 26”, 28”, 30” and 36”.
  • 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 product – contact factory for specifics.

  • Standard Door Rails: Standard door rails are 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

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