SMITH A O CORP - Director's Dealing 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2008-12-17

Reporting Person: COLE MICHAEL J (Senior Vice President - Asia)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-12-17	Common Stock	S	8420	$29.80	Disposed	17837	Direct
2008-12-17	Common Stock	S	11	$29.82	Disposed	17826	Direct
2008-12-17	Common Stock	S	233	$29.85	Disposed	17593	Direct
2008-12-17	Common Stock	S	211	$29.86	Disposed	17382	Direct
2008-12-17	Common Stock	S	300	$29.88	Disposed	17082	Direct
2008-12-17	Common Stock	S	325	$29.89	Disposed	16757	Direct
2008-12-17	Common Stock	S	100	$29.90	Disposed	16657	Direct
2008-12-17	Common Stock	S	600	$29.91	Disposed	16057	Direct
2008-12-17	Common Stock	S	200	$29.95	Disposed	15857	Direct
2008-12-17	Common Stock	S	400	$29.96	Disposed	15457	Direct
2008-12-17	Common Stock	S	200	$29.97	Disposed	15257	Direct
2008-12-17	Common Stock	S	100	$29.98	Disposed	15157	Direct
2008-12-17	Common Stock	S	100	$29.99	Acquired	15057	Direct
2008-12-17	Common Stock	S	900	$30.02	Disposed	14157	Direct