If you are in need of water heater replacement call Just Water Heaters at 52 or complete our online request form. Therefore, please be aware that water heaters manufactured 20 years apart will have the same serial number “letter year” designation.įor a complete water heater dating chart visit If your Tucson water heater is 10 years or older you should consider replacing it before it fails and potentially could cause damage.
Note: Bradford White uses a 20-year letter designation rotation in serial numbers shown in the chart below. Month Decoder: A= JAN B=FEB C=MAR D= APR E=MAY F= JUNE G=JULY H= AUG J= SEPT K=OCT L= NOV M= DEC. The decoding is based on the following format (also see chart below): Mueller Climatrol Furnace Age By Serial Number > cf48db999c ANNNNNN This serial number was used from 1969 to 1990. The year of manufacture is noted by the first letter of the serial number, the month is the second letter. The Bradford White rating plate is the most difficult to decode. Bradford White® utilizes a rotating 20 year letter cycle (e.g., the letter 'M' represents both 19 year of manufacture). Nnnn = a consecutive serial number for your individual unit AO Smith and AmericanĮx. The date of production/manufacture or age of Bradford White® Water Heater(s) can be determined from the serial number.
#Lochinvar water heater age by serial number how to
Read below how to determine the age of your unit.Įx.
Each manufacturer uses different formats and you need to de-code the water heater serial number. If not, then write down your serial number as it usually indicates the year and month of manufacture of the water heater. Check to see if the installation date is noted on the sticker. This sticker is usually around any warning labels and the energy guide. You can determine how old your residential water heater is by looking at and decoding data on the water heater’s label.įirst, locate the manufacturers label with the serial number on the side of your unit.
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