A.O. Smith (also State)

A.O. Smith Corporation

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Ask about a A.O. Smith (also State)
Water Heater Model & serial

Identify a A.O. Smith (also State)

Where's the rating plate?

  • Water Heater: Rating data plate on the tank jacket.

Reading the model number

Not sourced.

Manufacture date from the serial number

Single source

Current style: digits 1-2 = year (20xx), digits 3-4 = week. Older styles: year in the first two digits and month as a letter (A=Jan ... H=Aug, J=Sep, K=Oct, L=Nov, M=Dec; no I).

EXAMPLE ONLY: 1912A001234 -> 2019, week 12.

Single source; several historical styles exist.

Official A.O. Smith (also State) manuals & support

Brand names identify appliances only. OnCall Tech is not affiliated with or endorsed by A.O. Smith (also State).