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Sub-Zero Model Number Key


Locate Model Number:

The model number is on the serial tag for the unit. To find the serial tag, refer to Sub-Zero Serial Tag Locations.

How to Read a Sub-Zero Model Number:

Letters and numbers are both used to identify sub-zero products by product line, size, and features.

  1. Letters at the beginning denote the product line, such as CL, BI, DET, IC, etc.
  2. Numbers afterward specify the width, such as 18, 30, or 36
  3. Following letters specify features of the unit, such as panel type, door style, and dispensers. 

Refer to the table below for a list of letters used for sub-zero features.


  • DET3050CIID/R
    • DET - Designer series
    • 3050 - 30" unit
    • C - combination refrigerator and freezer
    • I - icemaker
    • ID - internal dispenser
    • /R - right hinge
  • CL3650RA/S/P/L
    • CL - Classic series
    • 3650 - 36" unit
    • R - all refrigerator
    • A - high altitude glass door
    • /S - stainless steel
    • /P - pro handle
    • /L - left hinge

Abbreviations Used in Sub-Zero Model Numbers:

The following letters are used as model descriptors for Sub-Zero products. Note that not all abbreviations are used for all product lines.

Product Series
BI, BWLegacy Classic (formerly Built In)
DET, DECDesigner
DEUDesigner Undercounter
IT, IC, ID, IWLegacy Designer (formerly Integrated)
PRO or 648PROProfessional
Unit Type
BBeverage Center (undercounter only)
CCombination Refrigerator and Freezer
FAll Freezer
IIce Machine/Ice Maker (undercounter only)
RAll Refrigerator
WWine Storage
DExternal dispenser
IIce Maker
IDInternal dispenser
OOutdoor model (undercounter only)
RRefrigerator drawers (wine storage only)
Door Style
-LH or /LLeft hinge (hinge is on the left when facing the unit)
-RH or /RRight hinge (hinge is on the right when facing the unit)
FDFrench Door
SSide by Side
UOver and Under
A or HAGHigh altitude glass door
GGlass door
Panel Style
/OOverlay model
/SStainless Steel
Handle Style
/PH, /PPro handle
/TH, /TTubular handle

Additional Resources:

Refer to the product Use and Care Guide for further information.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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