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How old is my Jenn-Air appliance?

Type the serial number from the Jenn-Air label to see when it was built. Jenn-Air units are built by Whirlpool since 2006, so the serials follow that company's format.

Scan insteadWhere is the label?

Reading a Jenn-Air serial number

Before Whirlpool bought Maytag in 2006, serials ended in two letters: the year, then the month. Units built from 2006 to about 2009 may use either code. The checker reads both.

Jenn-Air range 17657865KM was built in June 1994. K can also mean 1970, so the model settles it.

About Jenn-Air

  • Louis J. Jenn founded the company in Indianapolis in 1947 to make exhaust fans. It later built the first self-ventilating range with a smokeless grill.
  • Jenn sold the business to Carrier in 1979, and Maytag bought it in 1982.
  • The Indianapolis oven plant closed in 1996.
  • Whirlpool relaunched the brand as JennAir, with no hyphen and a new logo, in 2018.

Sources: Jenn-Air Corporation | Encyclopedia of Indianapolis, Maytag Corporation | Encyclopedia.com, JennAir Embarks on Brand Revival Inspired by Founder’s Progressive Spirit | KBB, JennAir - Wikipedia

Whirlpool plant, year and week

Used 1970s to today. Example: C60842986

The serial starts with a plant code of one or two letters. The next character is the year and the two digits after it are the week. Year codes repeat: digits stand for the 1970s, 1980s or 2010s, and the 1990s letters came back in 2020.

Worked example: C60842986 fits Week 8 of 1976 (around February) or Week 8 of 1986 (around February) or Week 8 of 2016 (around February). The page above explains how to tell which.

The full lookup tables are on the Whirlpool page, since Jenn-Air uses the same code.

Sources: Whirlpool service manual W11197006, model and serial nomenclature (PDF), Whirlpool service manual W11174422, wall ovens (PDF), Electrical-Forensics: Whirlpool date codes

Maytag year and month letters at the end

Used 1966 to the late 2000s. Example: 12772864EL

Older Maytag, Jenn-Air, Amana and Admiral serials are all digits with two letters at the end. The first of those letters is the year and the second is the month. The year letters repeat every 24 years.

Worked example: 17657865KM fits June 1970 or June 1994. The page above explains how to tell which.

The full lookup tables are on the Whirlpool page, since Jenn-Air uses the same code.

Sources: Electrical-Forensics: Maytag date codes, Building Intelligence Center: Maytag