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Structure of a Kohler Model Number
Model numbers for KOHLER products contain a base number, followed by a dash, and series of letters and numbers.
KOHLER model numbers have a "K" in front of the base number. The "K" may not be included on certain product labels and when stamped onto the product itself.
Letters or numbers following the base number represent a series, style, or variation. For example, "RA" means right-hand trip lever for a toilet or right-hand drain for a bath
Letters or numbers following the series/style/variation indicate the product color or finish. For example, "0" is the color code for a white fixture such as a toilet, and "CP" signifies a polished chrome finish for a faucet.
Letters at the end, after the color/finish, designate the product generation. A first-generation model will have "AA" and the evolution of the product will supersede as "AB" or "AC" or "BA" etc.
Structure of a Serial Number
Serial numbers for KOHLER and STERLING products are usually 8 to 11 characters long, most commonly 9 characters long.
Most serial numbers start with the letter “S” and the remaining characters will be alpha and/or numeric
The serial numbers for Steam Generators and DTV start with any alpha or numeric character.
A serial number does not contain any dashes or hyphens.
Where to Find Model Numbers
KOHLER and STERLING product model numbers may be found in several places.
Product label on the box in which the product was packaged
Product literature, such as a homeowners guide, installation instructions, or specification sheet