SMITH A O CORP - Director's Dealing 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2009-10-22

Reporting Person: JONES PAUL W (Director, Chair, Pres. and CEO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-10-22	Common Stock	S	1600	$43.28	Disposed	68744	Direct
2009-10-22	Common Stock	S	800	$43.29	Disposed	67944	Direct
2009-10-22	Common Stock	S	100	$43.30	Disposed	67844	Direct
2009-10-22	Common Stock	S	400	$43.31	Disposed	67444	Direct
2009-10-22	Common Stock	S	300	$43.33	Disposed	67144	Direct
2009-10-22	Common Stock	S	700	$43.35	Disposed	66444	Direct
2009-10-22	Common Stock	S	100	$43.36	Disposed	66344	Direct
2009-10-22	Common Stock	S	100	$43.38	Disposed	66244	Direct
2009-10-22	Common Stock	S	200	$43.39	Disposed	66044	Direct
2009-10-22	Common Stock	S	500	$43.40	Disposed	65544	Direct
2009-10-22	Common Stock	S	100	$43.41	Disposed	65444	Direct
2009-10-22	Common Stock	S	100	$43.42	Disposed	65344	Direct
2009-10-22	Common Stock	S	100	$43.46	Disposed	65244	Direct
2009-10-22	Common Stock	S	100	$43.50	Disposed	65144	Direct
2009-10-22	Common Stock	S	100	$43.51	Disposed	65044	Direct
2009-10-22	Common Stock	S	300	$43.54	Disposed	64744	Direct
2009-10-22	Common Stock	S	200	$43.56	Disposed	64544	Direct