United States securities and exchange commission logo March 31, 2023 Charles Lauber Chief Financial Officer A. O. Smith Corporation 11270 West Park Place Milwaukee, Wisconsin 53224-9508 Re: A. O. Smith Corporation Form 10-K for the Fiscal Year Ended December 31, 2022 Filed February 14, 2023 File No. 001-00475 Dear Charles Lauber: We have limited our review of your filing to the financial statements and related disclosures and have the following comment. Please respond to this comment within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comment apply to your facts and circumstances, please tell us why in your response. After reviewing your response to this comment, we may have additional comments. Form 10-K for the Fiscal Year Ended December 31, 2022 Management's Discussion and Analysis of Financial Condition and Results of Operations Non-GAAP Measures, page 24 1. We note that you present Total Segment Earnings as a GAAP measure. Please note the presentation of a total segment profit or loss measure in any context other than the ASC 280 required reconciliation in the financial statement footnotes is considered a presentation of a non-GAAP measure. Furthermore, as a result, your Total Adjusted Segment Earnings non-GAAP measure currently is not reconciled to a GAAP measure. Show us how you will revise your presentation in future filings. Refer to Question 104.04 of the Compliance & Disclosure Interpretations for Non-GAAP Financial Measures. Charles Lauber FirstName A. O. SmithLastNameCharles Lauber Corporation Comapany March NameA. O. Smith Corporation 31, 2023 March2 31, 2023 Page 2 Page FirstName LastName In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. You may contact Eiko Yaoita Pyles, Staff Accountant, at 202-551-3587 or Andrew Blume, Senior Staff Accountant, at 202-551-3254 at with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing