The form illustrates five or six digits, or a nine-character mixed format. The guide separately describes a three-character date code.
Checks ENERGY STAR model records and searches manuals separately from the serial. Certification records do not establish this unit’s manufacture date.
A purchase year or warranty date does not establish the manufacture date. Confirm any family-specific historical system before selecting it.
Full Kold-Draft lookup & label guide · Manuals+