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 Public Offering of
                              Class A Common Stock

      North Andover, MA....November 7, 2006, Watts Water Technologies, Inc.
(NYSE symbol: "WTS") announced today its intention to offer, subject to market
and other conditions, 5,000,000 shares of its Class A common stock pursuant to
an effective shelf registration statement previously filed with the Securities
and the Exchange Commission. In connection with the offering, Watts will grant
the underwriters an option for a period of 30 days to purchase up to an
additional 750,000 shares of Class A common stock from the Company to cover
over-allotments, if any.

      The Company expects to use the net proceeds from the offering for general
corporate purposes, including the funding of future acquisitions.

      J.P. Morgan Securities Inc. will act as sole book running manager for the
offering with KeyBanc Capital Markets, a Division of McDonald Investments Inc.,
Robert W. Baird & Co. Incorporated, and SunTrust Robinson Humphrey acting as
co-managers.

      The offering may be made only by means of a prospectus and a related
prospectus supplement. A preliminary prospectus supplement related to the
offering has been filed with the Securities and Exchange Commission, copies of
which may be obtained when available from JPMorgan, National Statement
Processing, Prospectus Library, 4 Chase Metrotech Center, CS Level, Brooklyn, NY
11245.

      This press release shall not constitute an offer to sell or the
solicitation of an offer to buy, nor shall there be any sale of these securities
in any jurisdiction in which such an offer, solicitation or sale would be
unlawful prior to registration or qualification under the securities law of any
such jurisdiction.

      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.