SMITH A O CORP — Director's Dealing 2004

Jun 3, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2004-06-02

Reporting Person: HEINRICH DONALD M (Former - Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-06-02	Common Stock	M	1000	$16.333	Acquired	30465	Direct
2004-06-02	Common Stock	S	1000	$29.10	Disposed	29465	Direct
2004-06-03	Common Stock	M	8800	$16.333	Acquired	38265	Direct
2004-06-03	Common Stock	S	2000	$29.32	Disposed	36265	Direct
2004-06-03	Common Stock	S	2000	$29.255	Disposed	34265	Direct
2004-06-03	Common Stock	S	2000	$29.20	Disposed	32265	Direct
2004-06-03	Common Stock	S	2000	$29.212	Disposed	30265	Direct
2004-06-03	Common Stock	S	800	$29.05	Disposed	29465	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-06-02	Employee Stock Options (Right to Buy)	$16.333	M	1000	Acquired	2006-10-08	Common Stock (1000)	Direct
2004-06-03	Employee Stock Options (Right to Buy)	$16.333	M	8800	Acquired	2006-10-08	Common Stock (8800)	Direct

Footnotes

F1: Options were granted under the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, a Rule 16b-3 Plan.