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. It means if the heater has a serial number 9725, it was made in the 25th week of 1997. The initial two numbers stand for the manufacturing year, and the second numbers stand for the week of the year. The serial number can be found on the rating plate a stickers that looks like the one below (this one is for a BFC Cyclone): If you want to know when this BFC was produced, you can look at the serial number. Note: Bradford White uses a 20-year letter designation rotation in serial numbers shown in the chart below. The serial number of a state water heater will start with four numbers. 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): The year of manufacture is noted by the first letter of the serial number, the month is the second letter. The serial number will always begin with 2 letters. For instance, in the serial number 1210A002243, the water heater. The Bradford White water heater age can be determined by examining and decoding the serial number on the label. The Bradford White rating plate is the most difficult to decode. Style 1a: The third and fourth digits of the serial number denote the year of manufacture. On by Calsey Calsey, I think it's 2001 November according to the serial number What year is my HW tank. January 2011 is a guess per that decoder. Nnnn = a consecutive serial number for your individual unit AO Smith and AmericanĮx. at RHEEM WATER HEATER AGE & MANUALS That decoder gives MMYYX12345 where X is the plant code and 12345 a consecutive unique ID and of course MM YY are month and year. Lochinvar Water Heater Serial Number Lookup The Serial Numbers shown are utilized with all Lochinvar Brand systems of Boilers, Water Heaters, Pool Heaters. Read below how to determine the age of your unit. The serial number can tell you the model of the water heater, but not the age. Each manufacturer uses different formats and you need to de-code the water heater serial number. It is not possible to determine the age of your water heater based on the serial number alone. 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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