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                                   Exhibit 99.2


                                  CERTIFICATION


         The undersigned officer of Watts Industries, Inc. (the "Company")
hereby certifies that the Company's annual report on Form 10-K for the
twelve-month period ended December 31, 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.


Date:  March 26, 2003                              /s/ William C. McCartney
                                                   ------------------------
                                                   William C. McCartney
                                                   Chief Financial Officer


        A signed original of this written statement required by Section 906
has been provided to Watts Industries, Inc. and will be retained by Watts
Industries, Inc. and furnished to the Securities and Exchange Commission or
its staff upon request.