Thread: water heater age

This one has me stumped. From my understanding A.O. Smith 2nd digit is the month 3 & 4 are the year?

S# 1012A020099

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Did you see any alpha characters at the beginning?

2nd character, typically A-M is the month
and the 3rd and 4th the year

How old was the house and how old did the unit look?

Thats the hole serial number.

Originally Posted by cglochau

This one has me stumped. From my understanding A.O. Smith 2nd digit is the month 3 & 4 are the year?

S# 1012A020099

I would think this is January 2002

Originally Posted by Sean Wiens

I would think this is January 2002

And I would have been wrong. Just Checked the warranty link on the AO Smith web page
Unit was manufactured on 3/24/2010 meaning first two digits are now year and next two are week number

Originally Posted by Sean Wiens

And I would have been wrong. Just Checked the warranty link on the AO Smith web page
Unit was manufactured on 3/24/2010 meaning first two digits are now year and next two are week number

In case you want to check others
https://warranty.hotwater.com/Heater...erSearch.aspx?

Got it Thanks. Should of checked there first.