Locate Your Water Heater Model & Serial Number
Your model number and serial number are located on the rating plate on your water heater.
This is where you'll find the rating plate with your model number and serial number on your water heater.
The rating plate example above shows the model number in blue and the serial number in yellow.
The rating plate example above shows the model number in blue and the serial number in yellow.
This is where you'll find the rating plate with your model number and serial number on your tankless water heater.
Serial Number Date Code Reference
The first two characters of the serial number represent the year and month of manufacture. The remainder of the serial is a sequential production number, seven digits in length before December 2007 (DM), and eight digits in length after.
For example:
Production Year
Production Month
A = 1984 or 2004
B = 1985 or 2005
C = 1986 or 2006
D = 1987 or 2007
E = 1988 or 2008
F = 1989 or 2009
G = 1990 or 2010
H = 1991 or 2011
J = 1992 or 2012
K = 1993 or 2013
L = 1994 or 2014
M = 1995 or 2015
N = 1996 or 2016
P = 1997 or 2017
S = 1998 or 2018
T = 1999 or 2019
W = 2000 or 2020
X = 2001 or 2021
Y = 2002 or 2022
Z = 2003 or 2023
A=January
B=February
C=March
D=April
E=May
F=June
G=July
H=August
J=September
K=October
L=November
M=December
Year of Manufacture
A = 1984 or 2004
B = 1985 or 2005
C = 1986 or 2006
D = 1987 or 2007
E = 1988 or 2008
F = 1989 or 2009
G = 1990 or 2010
H = 1991 or 2011
J = 1992 or 2012
K = 1993 or 2013
L = 1994 or 2014
M = 1995 or 2015
N = 1996 or 2016
P = 1997 or 2017
S = 1998 or 2018
T = 1999 or 2019
W = 2000 or 2020
X = 2001 or 2021
Y = 2002 or 2022
Z = 2003 or 2023
Month of Manufacture
A=January
B=February
C=March
D=April
E=May
F=June
G=July
H=August
J=September
K=October
L=November
M=December
For the year column, we do not use the letters : I, O, Q, R U, V
For the month column we do not use the letters: I & N – Z
Due to a computer error there were some OA serial water heaters manufactured. They were built in January of 1997.
Professional Advice & Installation
Bradford White is committed to professional specification and installation to ensure your water heater is the right one for your needs. The result is years of safe and trouble-free performance. Connect with a Bradford White contractor in your area for your water heater and plumbing needs.
Quality-Built With Pride
From our start over 135 years ago to today, Bradford White’s goal is to deliver high quality, superior products made by skilled craftspeople. Today our people continue a long tradition of taking pride in the expert manufacturing of everything we build. You can always count on the performance and reliability of out Built to be the Best™ products.
Professional Advice & Installation
Bradford White is committed to professional specification and installation to ensure your water heater is the right one for your needs. The result is years of safe and trouble-free performance. Connect with a Bradford White contractor in your area for your water heater and plumbing needs.
Quality-Built With Pride
From our start over 135 years ago to today, Bradford White’s goal is to deliver high quality, superior products made by skilled craftspeople. Today our people continue a long tradition of taking pride in the expert manufacturing of everything we build. You can always count on the performance and reliability of out Built to be the Best™ products.
