Exhibit 99.1

Chief Financial Officer,
Secretary & Treasurer

NEWS RELEASE


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....December 1, 2003, Watts Water Technologies, Inc.
(NYSE symbol: "WTS") announced today its intention to offer, subject to market
and other conditions, 4,000,000 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 to purchase up to an additional 600,000 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 to fund
future acquisitions and for general corporate purposes.

      J.P. Morgan Securities, Inc., will act as sole book running manager for
the offering with Robert W. Baird & Co., McDonald Investments Inc., A KeyCorp
Company, Needham & Company, Inc. and Morgan Joseph & Co. Inc. 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 J.P. Morgan Securities, Inc.,
Prospectus Department, One Chase Manhattan Plaza, Level 5B, New York, New York
10081.

      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 supplier of products for use in the
water quality, water safety, water flow control and water conservation markets
in both North American and Europe.