Navien® Water Heater & Boiler age

How to determine the date of production/manufacture or age of Navien® brand Water Heater and Boiler Systems.

Water heaters in general have an average estimated useful service life of 10-12 years, though water quality, routine upkeep/maintenance, and location of the water heater will all play critical roles in the longevity of these systems.

See also: Estimated Useful Service Life Expectancies

Parent Company: Kyung Dong Navien Company (KD Navien), Imported by Navien America Inc.

Subsidiaries: None known

Navien, Inc. has become one of the fastest growing companies in the home comfort sector in North America and is now a leader in condensing technology, providing condensing tankless water heaters, combi-boilers, and boilers.

The date of production/manufacture or age of Navien brand Water Heater and boiler equipment can be determined from the serial number located on the unit ID data sticker(s).

The production date is typically a collective grouping of digits within the serial number consisting of between 5 and 8 digits representing year, month, and day of production.

Example serial number styles/formats found:

  • Style 1:   9545J1152752044
  • Style 2:   7414C14X1771143
  • Style 3:   9262-20081208-1027
  • Style 4:   9010-2008-114-1014

Legend:  Year is RED;  Month is GREEN; Week is BLUE; Day is ORANGE

→Style 1:   9545J1152752044

Year of manufacture can be determined by using the 6th & 7th positions of the serial number

Month of manufacture can be determined by using the 8th  position of the serial number with letters X, Y, Z, representing months 10-12 respectively

Day of the month immediately follows the month position of the serial number

Image

→Style 2:   7414C14X1771143

Year of manufacture can be determined by using the 6th & 7th positions of the serial number

Month of manufacture can be determined by using the 8th  position of the serial number with letters X, Y, Z, representing months 10-12 respectively

Day of the month immediately follows the month position of the serial number

Image

→Style 3:   9262-20081208-1027

Year of manufacture can be determined by using the 5th thru 8th positions of the serial number
Image

→Style 4:   9010-2008-114-1014

Year of manufacture can be determined by using the 5th thru 8th positions of the serial number
Image
Navien® History¹
  • 1978 - Company Founded as Kyung Dong Machinery Co., Ltd
  • 1982 - Launched Asia's first condensing gas boiler
  • 1991 - Produced gas-fired domestic hot water boiler
  • 2006 - Company name changed to KyungDong Navien Co., Ltd.
  • 2007 - Acquired North American CSA certificate for gas water heaters
  • 2008 - Started exports of condensing gas water heater to U.S.A
  • 2009 - Acquired North America CSA certificate for Combi Gas Boilers. Established U.S training center.
  • 2010 - Acquired American ASME 'H-Stamp' certificate for condensing gas boilers. Established training center in Canada.
  • 2011 - Acquired American NSF Certificate for condensing gas water heaters
  • 2012 - Introduced NPE-A Condensing Tankless Water Heaters
  • 2013 - Introduced NPE-S Condensing Tankless Water Heaters and NCB series Combi-Boilers
  • 2014 - Introduced NHB series boilers
  • 2015 - Introduced NCB-E series Combi-Boilers
  • 2017 - Introduced H2Air combination space heating and water heater

1Excerpts from https://www.navieninc.com/about

Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of water heating equipment. Users relying on this information do so at their own risk.
Page last updated: 11/19/2023