SMITH A O CORP - Director's Dealing 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2011-02-10

Reporting Person: KITA JOHN J (Senior V.P., Corp. Fin. & Cont)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-10	Common Stock	S	400	$41.87	Disposed	22550	Direct
2011-02-10	Common Stock	S	400	$41.88	Disposed	22150	Direct
2011-02-10	Common Stock	S	700	$41.89	Disposed	21450	Direct
2011-02-10	Common Stock	S	200	$41.90	Disposed	21250	Direct
2011-02-10	Common Stock	S	800	$41.91	Disposed	20450	Direct
2011-02-10	Common Stock	S	600	$41.92	Disposed	19850	Direct
2011-02-10	Common Stock	S	100	$41.93	Disposed	19750	Direct
2011-02-10	Common Stock	S	900	$41.94	Disposed	18850	Direct
2011-02-10	Common Stock	S	400	$41.96	Disposed	18450	Direct
2011-02-10	Common Stock	S	300	$41.97	Disposed	18150	Direct
2011-02-10	Common Stock	S	100	$41.98	Disposed	18050	Direct
2011-02-10	Common Stock	S	200	$41.99	Disposed	17850	Direct
2011-02-10	Common Stock	S	100	$42.00	Disposed	17750	Direct
2011-02-10	Common Stock	S	100	$42.02	Disposed	17650	Direct
2011-02-10	Common Stock	S	200	$42.04	Disposed	17450	Direct
2011-02-10	Common Stock	S	100	$42.06	Disposed	17350	Direct
2011-02-10	Common Stock	S	100	$42.07	Disposed	17250	Direct
2011-02-10	Common Stock	S	200	$42.09	Disposed	17050	Direct
2011-02-10	Common Stock	S	200	$42.11	Disposed	16850	Direct
2011-02-10	Common Stock	S	300	$42.13	Disposed	16550	Direct