SMITH A O CORP — Director's Dealing 2007

Oct 23, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2007-10-22

Reporting Person: Petrarca Mark A (Senior Vice Pres. - H.R. & P.A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-10-22	Common Stock	F	1520	$37.635	Disposed	3225.678	Direct

Footnotes

F1: Column 5 of Table 1 includes 2.892 shares of Common Stock acquired through automatic reinvestment of quarterly dividends under the A. O. Smith Corporation Dividend Reinvestment Plan.