The guide distinguishes a pre-2019 product/year/letter-date layout from a later mixed format with the date after the four-character unit 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 Magikitchn lookup & label guide · Manuals+