AMENDMENT NO. 2 TO THE LETTER OF CREDIT,
                     REIMBURSEMENT AND GUARANTY AGREEMENT


      THIS AMENDMENT NO. 2 TO THE LETTER OF CREDIT,  REIMBURSEMENT  AND GUARANTY
AGREEMENT,  dated as of October 1, 1996, by and among LESLIE  CONTROLS,  INC., a
New Jersey  corporation (the  "Borrower"),  WATTS  INDUSTRIES,  INC., a Delaware
corporation (the "Guarantor") and FIRST UNION NATIONAL BANK OF NORTH CAROLINA, a
national banking association organized and existing under the laws of the United
States with its  principal  offices  located in Charlotte,  North  Carolina (the
"Bank");


                              W I T N E S S E T H:


      WHEREAS, the Borrower,  the Guarantor and the Bank have previously entered
into the Letter of Credit,  Reimbursement  and Guaranty  Agreement,  dated as of
July  1,  1994,  as  amended  by  Amendment  No.  1 to  the  Letter  of  Credit,
Reimbursement and Guaranty Agreement,  dated as of August 1, 1996 (collectively,
the "Agreement"),  pursuant to which the Bank has issued its irrevocable  letter
of credit, dated August 4, 1994; and

      WHEREAS, the Borrower, the Guarantor and the Bank now desire to amend
certain provisions of the Agreement;

      NOW,  THEREFORE,  in  consideration  of  the  premises,  mutual  covenants
hereinafter contained and other good and valuable  consideration,  the Borrower,
the Guarantor and the Bank do hereby amend the Agreement as follows:

      Section  1.  Section  7.7 of the  Agreement  Amended.  Section  7.7 of the
Agreement is hereby  amended by deleting in its entirety said Section 7.7 of the
Agreement and inserting in lieu of the following:

      "7.7.   Current  Ratio.  The  Guarantor  will  not  permit  the  ratio  of
      Consolidated Current Assets to Consolidated  Current  Liabilities,  at any
      time, to be less than 2.00 to 1.00."

      Section  2.  Effect  of  Modification  and  Amendment  of  Agreement.  The
Agreement  shall be deemed to be  modified  and amended in  accordance  with the
provisions of this Amendment No. 2 to the Agreement and the  respective  rights,
duties and  obligations  of the  Borrower,  the Guarantor and the Bank under the
Agreement  shall  remain to be  determined,  exercised  and  enforced  under the
Agreement  subject in all  respects  to such  modifications  and  amendments  in
writing,  and all the  terms  and  conditions  of this  Amendment  No.  2 to the
Agreement shall be part of the terms and conditions of the Agreement for any and
all purposes.  All the other terms of the Agreement shall continue in full force
and effect subject to the amendments set forth herein.



      Section 3. Representations and Warranties.  The Borrower and the Guarantor
each represent and warrant to the Bank as follows:

      (a) Representations  and Warranties in Agreement.  The representations and
      warranties  of the Borrower and the  Guarantor  contained in the Agreement
      (i) were true and correct when made,  and (ii) after giving effect to this
      Amendment  No.  2,  continue  to be true and  correct  on the date  hereof
      (except to the extent of changes resulting from transactions  contemplated
      or permitted by the Agreement, as amended hereby, and changes occurring in
      the ordinary  course of business  that singly or in the  aggregate are not
      materially  adverse,  and to the  extent  that  such  representations  and
      warranties relate expressly to an earlier date).

      (b) Authority.  The execution and delivery by each of the Borrower and the
      Guarantor  of this  Amendment  No.  2 and the  performance  by each of the
      Borrower  and  the  Guarantor  of  all of its  respective  agreements  and
      obligations under this Amendment No. 2 are within its corporate authority,
      have been duly authorized by all necessary corporate action and do not and
      will not: (i)  contravene  any  provision of its charter  documents or any
      amendment  thereof;  (ii)  conflict  with,  or  result  in a breach of any
      material term, condition or provision of, or constitute a default under or
      result in the creation of any mortgage,  lien,  pledge,  charge,  security
      interest  or  other  encumbrance  upon  any  of  its  property  under  any
      agreement,  deed of trust,  indenture,  mortgage or other  instruments  to
      which it is a party or by which any of its properties are bound including,
      without  limitation,  any  of  the  Other  Agreements;  (iii)  violate  or
      contravene any provision of any law, statute,  rule or regulation to which
      the Borrower or the Guarantor is subject or any decree,  order or judgment
      of any court or governmental or regulatory  authority,  bureau,  agency or
      official  applicable  to the Borrower or the  Guarantor;  (iv) require any
      waivers, consents or approvals by any of its creditors which have not been
      obtained; or (v) require any approval,  consent,  order,  authorization or
      license by, or giving  notice to, or taking any other  action with respect
      to, any governmental or regulatory authority or agency under any provision
      of any law,  except  (A) those  actions  which  have been taken or will be
      taken  prior  to the date of  execution  of this  Amendment  No. 2 and (B)
      filings with the Securities and Exchange Commission to be made on or prior
      to September 30, 1996.

      (c) Enforceability of Obligations. This Amendment No. 2 and the Agreement,
      as amended hereby,  constitute the legal, valid and binding obligations of
      the Borrower and the  Guarantor  enforceable  against the Borrower and the
      Guarantor in accordance with their  respective  terms,  provided that: (i)
      enforcement   may  be  limited  by  applicable   bankruptcy,   insolvency,
      reorganization,   moratorium  or  similar  laws  of  general   application
      affecting the rights and remedies of creditors;  and (ii) the availability
      of the  remedies  of specific  performance  and  injunctive  relief may be
      subject to the  discretion of the court before which any  proceedings  for
      such remedies may be brought.



      Section 4.  Counterparts.  This  Amendment  No. 2 to the  Agreement may be
executed in any number of  counterparts,  each of which shall be deemed to be an
original,  but all of which  together  shall  constitute  one and the same
instrument.

      IN WITNESS WHEREOF,  the Borrower,  the Guarantor and the Bank have caused
this Amendment No. 2 to the Agreement to be executed in their  respective  names
and their  respective  seals to be hereunto  affixed and  attested by their duly
authorized representatives, all as of the date first above written.



                                    THE BORROWER:

                                    LESLIE CONTROLS, INC.



                                    By:__________________________________
                                         Title:



                                    THE GUARANTOR:

                                    WATTS INDUSTRIES, INC.



                                    By:__________________________________
                                         Title:




                                    THE BANK:

                                    FIRST UNION NATIONAL BANK OF
                                    NORTH CAROLINA



ATTEST:                             By:_______________________________
                                      Title: _________________________


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Title:

(Corporate Seal)