EXHIBIT 99.2

                                  Certification
                                  -------------

      The undersigned officer of Watts Industries, Inc. (the "Company") hereby
certifies that the Company's quarterly report on Form 10-Q for the quarterly
period ended June 30, 2002 (the "Report"), as filed with the Securities and
Exchange Commission on the date hereof, fully complies with the requirements of
Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934,
as amended, and that the information contained in the Report fairly presents, in
all material respects, the financial condition and results of operations of the
Company. This certification is provided solely pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and
shall not be deemed to be a part of the Report or "filed" for any purpose
whatsoever.


Date: August 9, 2002                           /s/William C. McCartney
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                                               William C. McCartney
                                               Chief Financial Officer