State Water Heater Manufacture Date

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State water heater manufacture date.

Serial 1 st 4 digits. On older models you can determine the age of your unit by decoding the water heater serial number. Serial a02134562 means the tank was manufactured in 2002. Digits 1 2 of the s n are the year and digits 3 4 are the week of the year.

Some manufacturers including rheem made it easy by incorporating the month and year built into the first 4 digits of the serial number. It includes the manufacture date as well as information on the size and capacity. So in your case the 27th week of 2009. Where m is a one letter month code encoded corresponding to a january through m december and the second two digits are the numeric year.

This tank was manufactured on the 24th week of 2009. This would fall under the american water heater manufacturer where it gets rebranded as a whirlpool. State water heaters have the manufacture date listed in the serial number. Older tanks prior to 2004 will use the second and third number listed.

8901xxx made in the year 1989 in the first month january. The date of production manufacture or age of state water heater s can be determined from the serial number. 3 rd 4 th number month. State water heaters produced by state industries encode the age in the first three positions of the state water heater serial number as.