SMITH A O CORP - Director's Dealing 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2007-02-23

Reporting Person: O TOOLE ROBERT J (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-02-23	Common Stock	S	20860	$40.25	Disposed	310286	Direct
2007-02-23	Common Stock	S	1500	$40.26	Disposed	308786	Direct
2007-02-23	Common Stock	S	1000	$40.27	Disposed	307786	Direct
2007-02-23	Common Stock	S	1000	$40.28	Disposed	306786	Direct
2007-02-23	Common Stock	S	1300	$40.29	Disposed	305486	Direct
2007-02-23	Common Stock	S	100	$40.30	Disposed	305386	Direct
2007-02-23	Common Stock	S	400	$40.31	Disposed	304986	Direct
2007-02-23	Common Stock	S	1100	$40.33	Disposed	303886	Direct
2007-02-23	Common Stock	S	500	$40.34	Disposed	303386	Direct
2007-02-23	Common Stock	S	100	$40.35	Disposed	303286	Direct
2007-02-23	Common Stock	S	300	$40.37	Disposed	302986	Direct
2007-02-23	Common Stock	S	4200	$40.40	Disposed	298786	Direct
2007-02-23	Common Stock	S	300	$40.42	Disposed	298486	Direct