SMITH A O CORP — Director's Dealing 2007

Jul 24, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2007-07-20

Reporting Person: O TOOLE ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-07-20	Common Stock	S	100	$50.52	Disposed	305962	Direct
2007-07-20	Common Stock	S	100	$50.57	Disposed	305862	Direct
2007-07-20	Common Stock	S	100	$50.62	Disposed	305762	Direct
2007-07-20	Common Stock	S	5000	$50.66	Disposed	300762	Direct
2007-07-20	Common Stock	S	100	$50.68	Disposed	300662	Direct
2007-07-20	Common Stock	S	100	$50.69	Disposed	300562	Direct
2007-07-20	Common Stock	S	100	$50.70	Disposed	300462	Direct
2007-07-20	Common Stock	S	100	$50.72	Disposed	300362	Direct
2007-07-20	Common Stock	S	300	$50.78	Disposed	300062	Direct