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.