UNITED STATES

                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

      Date of Report (Date of earliest event reported): September 27, 2007


                         WATTS WATER TECHNOLOGIES, INC.
             (Exact Name of Registrant as Specified in its Charter)

          DELAWARE                      001-11499                 04-2916536
----------------------------     ------------------------       -------------
(State or Other Jurisdiction     (Commission File Number)       (IRS Employer
      of Incorporation)                                      Identification No.)

             815 Chestnut Street, North Andover, Massachusetts 01845
               (Address of Principal Executive Offices) (Zip Code)

                                 (978) 688-1811
              (Registrant's telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

|_|   Written communications pursuant to Rule 425 under the Securities Act (17
      CFR 230.425)

|_|   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR

|_|   Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

|_|   Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))

Item 5.02 - Departure of Directors or Certain Officers; Election of Directors;
            Appointment of Certain Officers; Compensatory Arrangements of
            Certain Officers

On September 27, 2007, William D. Martino resigned as Chief Operating Officer
and President of North American and Asian Operations of Watts Water
Technologies, Inc. (the "Registrant") effective as of September 30, 2007.

Ernest E. Elliott, the Company's Executive Vice President of Marketing, will
fill Mr. Martino's role until a permanent replacement has been identified. Mr.
Elliot originally joined the Registrant in 1986. He was appointed Vice President
of Sales in 1991, served as Executive Vice President of Wholesale Sales and
Marketing from 1996 to March 2003, Executive Vice President of Wholesale
Marketing from March 2003 to February 2006 and as Executive Vice President of
Marketing since February 2006. Prior to joining the Registrant, he was Vice
President of BTR Inc.'s Valve Group, a diversified manufacturer of industrial
and commercial valve products.

The text of the press release issued in connection with the announcement of Mr.
Martino's resignation is attached as Exhibit 99.1 to this Current Report on Form

Item 9.01.  Financial Statements and Exhibits

      (d)   Exhibits

      See Exhibit Index attached hereto.


      Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                          WATTS WATER TECHNOLOGIES, INC.

Date:  October 2, 2007                    By: /s/ Patrick S. O'Keefe
                                              Patrick S. O'Keefe
                                              Chief Executive Officer

                                  EXHIBIT INDEX

Exhibit No.       Description
-----------       -----------

99.1              Press Release dated September 27, 2007