SMITH A O CORP — Director's Dealing 2004

Jul 21, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SMITH A O CORP (AOS)
CIK: 0000091142
Period of Report: 2004-07-19

Reporting Person: BUEHLER WILLIAM F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-07-19	Common Stock	A	175	$28.575	Acquired	4312	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-07-19	Phantom Stock	$28.69	J	1070	Disposed	2004-07-19	Common Stock (1070)	Direct

Footnotes

F1: Payment of portion of retainer in stock under the A. O. Smith Corporation Directors' Compensation Plan based on the market price of the Common Stock on July 19, 2004.

F2: Payment in cash for Phantom Shares under the A. O. Smith Corporation Directors' Compensation Plan.