UNITED STATES
 SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
SCHEDULE 14A
 
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

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WATTS WATER TECHNOLOGIES, INC.	
(Name of Registrant as Specified In Its Charter)	

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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on May 17, 2019. WATTS WATER TECHNOLOGIES, INC. You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of WATTS WATER TECHNOLOGIES, INC. C/O BROADRIDGE FINANCIAL SOLUTIONS, INC. P.O. BOX 1342 BRENTWOOD, NY 11717 the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy materials and voting instructions. E60597-P19313 See the reverse side of this notice to obtain Meeting Information Meeting Type:Annual Meeting For holders as of:March 21, 2019 Date: May 17, 2019Time: 9:00 AM, EDT Location: Watts Water Technologies, Inc. 815 Chestnut Street North Andover, MA 01845

Before You Vote How to Access the Proxy Materials Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E60598-P19313 Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENTANNUAL REPORTFORM 10-K How to View Online: following page) and visit: www.proxyvote .com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET:www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*:sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 3, 2019 to facilitate timely delivery.

The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees: 01) 02) 03) 04) 05) Christopher L. Conway David A. Dunbar Louise K. Goeser Jes Munk Hansen W. Craig Kissel 06) 07) 08) 09) Joseph T. Noonan Robert J. Pagano, Jr. Merilee Raines Joseph W. Reitmeier The Board of Directors recommends you vote FOR the proposals 2, 3 and 4: 2. Advisory vote to approve named executive officer compensation. 3. To approve an amendment to our Restated Certificate of Incorporation, as amended, to increase the number of authorized shares of Class A common stock from 80,000,000 shares to 120,000,000 shares and to increase the number of authorized shares of capital stock from 110,000,000 shares to 150,000,000 shares. 4. To ratify the appointment of KPMG LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2019. NOTE: The proxies, in their discretion, are authorized to vote upon such other matters as may properly come before the meeting or any adjournment or postponement thereof. E60599-P19313 Voting Items

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