water heater age

cglochau · 01-25-2011, 06:51 PM

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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**Bruce King** · 01-25-2011, 08:32 PM

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?

cglochau · 01-26-2011, 06:50 AM

Thats the hole serial number.

Sean Wiens · 01-26-2011, 09:33 AM

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

Sean Wiens · 01-26-2011, 09:39 AM

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

Sean Wiens · 01-26-2011, 09:42 AM

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?