8-K

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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

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                                    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

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                         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)

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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
      240.14a-12)

|_|   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
8-K.

Item 9.01.  Financial Statements and Exhibits

      (d)   Exhibits

      See Exhibit Index attached hereto.


                                    SIGNATURE

      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
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99.1              Press Release dated September 27, 2007

EX-99.1

                                                                    Exhibit 99.1


FOR IMMEDIATE RELEASE               Contact:    William C. McCartney
- ---------------------                           Chief Financial Officer

                                                Telephone:  (978) 688-1811
                                                Fax:        (978) 688-2976

                       WATTS WATER TECHNOLOGIES ANNOUNCES
                     RESIGNATION OF CHIEF OPERATING OFFICER

      North Andover, MA...September 27, 2007. Watts Water Technologies, Inc.
(NYSE: WTS) today announced that William D. Martino has resigned as Chief
Operating Officer and President of North American and Asian Operations effective
September 30, 2007.

      Patrick S. O'Keefe, President and Chief Executive Officer, stated, "Bill
has been an integral member of the Company's senior management team. We
appreciate Bill's commitment and service to the Company over the past two years
and wish him much success in his future endeavors."

      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. Elliott has served as a member of the Company's management team for over 20
years and has extensive experience managing many different aspects of the
Company's business, including sales, marketing, purchasing, and research and
development.

      Watts Water Technologies, Inc. is a world leader in the manufacture of
innovative products to control the efficiency, safety, and quality of water
within residential, commercial, and institutional applications. Its expertise in
a wide variety of water technologies enables it to be a comprehensive supplier
to the water industry.

      This Press Release includes statements that are not historical facts and
are considered forward-looking within the meaning of the Private Securities
Litigation Reform Act of 1995. These forward-looking statements reflect Watts
Water Technologies' current views about future results of operations and other
forward-looking information. In some cases you can identify these statements by
forward-looking words such as "plan," "anticipate," "believe," "could,"
"estimate," "expect," "intend," "may," "should," "will" and "would" or similar
words. You should not rely on forward-looking statements because Watts' actual
results may differ materially from those indicated by these forward-looking
statements as a result of a number of important factors. These factors include,
but are not limited to, the risks and uncertainties discussed under the heading
"Item 1A. Risk Factors" in the Watts Water Technologies, Inc. Annual Report on
Form 10-K for the year ended December 31, 2006 filed with the Securities
Exchange Commission and other reports Watts files from time to time with the
Securities and Exchange Commission. Watts does not intend to, and undertakes no
duty to, update the information contained in this Press Release.