State Water Heater Manufacture Date

Serial 1 st 4 digits.

State water heater manufacture date.

Johnwood gsw moffat superflue medal. 8901xxx made in the year 1989 in the first month january. 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. From humble beginnings as a maker of coal and wood burning stoves in a nashville tn garage to the largest producer of water heaters in the world state is a widely recognized manufacturer of a variety of brand water heaters.

This tank was manufactured on the 24th week of 2009. Digits 1 2 of the s n are the year and digits 3 4 are the week of the year. So in your case the 27th week of 2009. State water heaters produced by state industries encode the age in the first three positions of the state water heater serial number as.

Serial a02134562 means the tank was manufactured in 2002. 3 rd 4 th number month. On older models you can determine the age of your unit by decoding the water heater serial number. 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. 1 st 2 nd number year. It includes the manufacture date as well as information on the size and capacity. Some manufacturers including rheem made it easy by incorporating the month and year built into the first 4 digits of the serial number.