Wednesday, December 3, 2025

DeCoding Primus Washer & Dryer Serial Numbers




(Photos of me in a German laundromat featuring Primus equipment summer 2024)
 

Primus is a leading brand of washers and dryers in Europe that previously made machines for Maytag before being aquired by Alliance Laundry Systems. Machines that were made during the "Maytag period" my have a date code system used by Maytag branded machines at the time. So if you have a Primus and want to know how old it is here is at least a starting point.
The information I listed below is from an AI compiled article on the web.
Ev
A Heck of A Nice Guy
To determine the manufacturing date of a Primus washer, you need to locate the serial number on the appliance's rating plate. The last two characters of the serial number indicate the year and month of manufacture, using specific letter codes provided by Alliance Laundry Systems, the parent company of Primus. 
Locating the Serial Number
The rating plate is typically a sticker or metal plate found in one of the following locations: 
  • Inside the door frame
  • On the back of the machine
  • On the side of the machine, near the bottom
Decoding the Serial Number
Once you find the serial number, identify the last two characters (e.g., DK in the example 520I000001DK). The first of these two characters represents the year, and the second character represents the month. 
Year Codes (Example: for years 2009-2020) 
  • P: 2009
  • R: 2010
  • T: 2011
  • V: 2012
  • X: 2013
  • B: 2014
  • D: 2015
  • F: 2016
  • H: 2017
  • K: 2018
  • M: 2019
  • Q: 2020
Month Codes 
  • A: January
  • B: February
  • C: March
  • D: April
  • E: May
  • F: June
  • G: July
  • H: August
  • I: September
  • J: October
  • K: November
  • L: December 
For example, a serial number ending in DK was manufactured in May 2015. 
For the most accurate and current codes, especially for years beyond those listed, consult the official documentation provided by Alliance Laundry Systems. 

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