Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Goodwin Wallace E
 2. Date of Event Requiring Statement (Month/Day/Year)
04/09/2018		 3. Issuer Name and Ticker or Trading Symbol
SMITH A O CORP [AOS]
(Last)
(First)
(Middle)
LOCHINVAR, LLC, 300 MADDOX SIMPSON PARKWAY		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & GM, Lochinvar, LLC
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LEBANON, TN 37090		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 11,014
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options (Right to Buy)   (1)   (1) Common Stock 75,335 $ 0 D  
Restrick Stock Units   (2)   (2) Restricted Stock Units 4,835 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Goodwin Wallace E
LOCHINVAR, LLC
300 MADDOX SIMPSON PARKWAY
LEBANON, TN 37090		       President & GM, Lochinvar, LLC  

Signatures

James F. Stern, Attorney-in-Fact for Wallace E. Goodwin 04/10/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Employee stock options were granted under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3: 13,200 were granted on 02/09/2009; 6,600 were granted on 02/08/2010; 5,600 were granted on 02/07/2011; 9,600 were granted on 02/13/2012; 8,400 were granted on 02/11/2013; 5,000 were granted on 02/10/2014; 7,570 were granted on 02/09/2015; 8,800 were granted on 02/08/2016; 5,565 were granted on 02/13/2017; and 5,000 were granted on 02/12/2018. Stock options become exercisable in three annual installments of 1/3 of the award starting one year after the grant date. All employee stock options expire ten years after the date of the award.
(2) Restricted stock units were granted under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3: 2,190 were granted on 02/08/2016; 1,445 were granted on 02/13/2017 and 1,200 were granted on 02/12/2018. The restricted stock units become payable in Common Stock on the vesting date, which is three years after the grant date.

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