How can I tell the age of a State Industries water heater from the
https://www.howtolookatahouse.com/Blog/Entries/2018/9/how-can-i-tell-the-age-of-a-state-industries-water-heater-from-the-serial-number.html
WEBSep 13, 2018 · The first two numbers of the serial number of a State water heater are the year of manufacture. Newer State water heaters, like the one shown below from 2013 also list the “BUILD DATE” below the serial number so there’s no interpretation necessary; but, for older ones, you will have to depend on the serial number.
DA: 23 PA: 17 MOZ Rank: 95