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Structural Concepts Serial Number Lookup

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Maintenance is a crucial part of equipment upkeep. If you need to replace a part but are unsure of which part you need, check the serial number. A Structural Concepts serial number lookup will ensure you get the exact part for your model, providing the perfect fit every time.

How to Find & Read a Structural Concept Serial Number

Structural Concept serial number lookups help you to find the exact parts you need for your model should something need to be replaced. Most of the serial numbers are located near the back of the unit so it’s less likely to get damaged and is still simple to find. Here’s how to read a serial number:

Merchandiser Month Codes

  • January - A
  • February - B
  • March - C
  • April - D
  • May - E
  • ETC

Merchandiser Year Codes: 1997-2023

  • 1998 - B
  • 1999 - C
  • 2000 - D
  • 2001 - E
  • 2002 - F
  • ETC

Merchandiser Serial Code Breakdown: 1997-2023

Sample Serial Code: 123456 BU 155898


  • 123456 - Internal work order
  • BU - February 2017
  • 155898 - Raw serial number

Merchandiser Serial Code Breakdown: 2023 and Beyond

Sample Serial Code: 12 2023 00000814


  • 12 - month
  • 2023 - year
  • 00000814 - raw serial number

Data Tag Location

This list includes units and the data tag locations of STC’s most common models:


The Base Unit


Tag Location


REVEAL SERIAL LABEL LOCATION


Rear of the case, Above the electrical box, Behind a solid panel


MI SERIAL LABEL LOCATION


Rear of the base unit, Services left-hand side, Above condensing unit


BOX SERIAL LABEL LOCATION


Interior of the case, Customer's right-hand side, On the plenum


CO COUNTER SERIAL LABEL LOCATIONS


Rear of the base unit, Services right-hand side, On the exterior panel


COU SERIAL LABEL LOCATION


Rear of the base unit, Services right-hand side, Interior side panel


GHSV(L)(H)RLB SERIAL LABEL LOCATION


Rear of the base unit, Services right-hand side, On the exterior panel


GHSS(L)(H)R SERIAL LABEL LOCATION


Interior of the case, Customer's right-hand side, On the plenum


GCD(L)56 SERIAL LABEL LOCATION


Rear of the base unit, Services right-hand side, On the exterior panel


GHPF SERIAL LABEL LOCATION


Interior of the case, Customer's left-hand side, On the top panel


HMG(L)53(R) SERIAL LABEL LOCATION


Rear of the base unit, Services right-hand side, On the exterior panel


HMO(L)53R SERIAL LABEL LOCATION


Interior of the case, Customer's left-hand side, On the top panel


HMO(L)36R SERIAL LABEL LOCATION


Rear of the base unit, Services right-hand side, On the exterior panel


CGS(L)30 SERIAL LABEL LOCATION


Interior of the case, Customer's left-hand side, On the side panel


CGSV(L)22RTM SERIAL LABEL LOCATION


Interior of the case, Center of the case, On the plenum


BD(L)32 SERIAL LABEL DIAGRAM


Interior of the case, Customer's right-hand side, On the plenum


SBZ(L)52DR SERIAL LABEL LOCATION


Rear of the base unit, Customer’s right-hand side, On the exterior panel


FSI/FSE SERIAL LABEL LOCATION


Interior of the case, Customer's right-hand side, On the plenum

For more information about serial numbers, maintenance or troubleshooting, check out our Structural Concepts manuals and diagrams.

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