SCHEDULE 13G

CUSIP No.

942749102

Names of Reporting Persons

Timothy P. Horne

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 5,926,290.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 964,600.00
8	Shared Dispositive Power 4,961,690.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,926,290.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

17.8 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

942749102

Names of Reporting Persons

Daniel W. Horne

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,666,970.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,666,970.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.7 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

942749102

Names of Reporting Persons

Deborah Horne

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,666,970.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,666,970.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.7 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

942749102

Names of Reporting Persons

Peter W. Horne

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 34,760.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 34,760.00
8	Shared Dispositive Power 1,495,010.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,529,770.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

5.3 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

942749102

Names of Reporting Persons

Walter J. Flowers

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,799,710.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,799,710.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

6.2 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

WATTS WATER TECHNOLOGIES, INC.

(b)

Address of issuer's principal executive offices:

815 Chestnut Street, North Andover, MA, 01845

Item 2.

(a)

Name of person filing:

Timothy P. Horne Daniel W. Horne Deborah Horne Peter W. Horne Walter J. Flowers

(b)

Address or principal business office or, if none, residence:

c/o Watts Water Technologies, Inc. 815 Chestnut Street North Andover, MA 01845

(c)

Citizenship:

United States

(d)

Title of class of securities:

Class A Common Stock, par value $.10 per share

(e)

CUSIP No.:

942749102

Item 3.

If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

Timothy P. Horne is deemed the beneficial owner of 5,926,290 shares of Class A Common Stock of the Issuer. As noted below, all of Timothy P. Horne's beneficial ownership of Class A Common Stock is derived from beneficial ownership of Class B Common Stock, par value $.10 per share, of the Issuer, which is convertible into Class A Common Stock on a share for share basis. Includes (i) 950,000 shares of Class B Common Stock held by a revocable trust for the benefit of Timothy P. Horne, for which Timothy P. Horne serves as sole trustee, (ii) 1,666,970 shares of Class B Common Stock held by a revocable trust for the benefit of Daniel W. Horne, Timothy P. Horne's brother, for which Daniel W. Horne and Walter J. Flowers, a partner in the law firm of Flowers and Manning, LLP, serve as co-trustees, (iii) 1,666,970 shares of Class B Common Stock held by a revocable trust for the benefit of Deborah Horne, Timothy P. Horne's sister, for which Timothy P. Horne serves as sole trustee, which trust is revocable with the consent of the trustee, (iv) 1,495,010 shares of Class B Common Stock held by a revocable trust for the benefit of Peter W. Horne, Timothy P. Horne's brother, for which Peter W. Horne serves as sole trustee, (v) 14,600 shares of Class B Common Stock held for the benefit of Tiffany Horne Noonan (Timothy P. Horne's daughter) under an irrevocable trust for which Timothy P. Horne serves as trustee, (vi) 113,924 shares of Class B Common Stock held by a revocable trust for the benefit of Tiffany Horne Noonan, for which Walter J. Flowers serves as trustee, (vii) 6,447 shares of Class B Common Stock held by a trust for the benefit of Kiera R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees, (viii) 6,447 shares of Class B Common Stock held by a trust for the benefit of Tessa R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees, and (ix) 5,922 shares of Class B Common Stock held by a trust for the benefit of Liv R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees. The shares of Class B Common Stock (5,926,290 shares of Class B Common Stock in the aggregate) are subject to The Amended and Restated George B. Horne Voting Trust Agreement 1997 ("1997 Voting Trust") for which Timothy P. Horne serves as trustee. (See Exhibit 2 for a description of the 1997 Voting Trust). Daniel W. Horne is deemed the beneficial owner of 1,666,970 shares of Class A Common Stock of the Issuer. As noted below, all of Daniel W. Horne's beneficial ownership of Class A Common Stock is derived from beneficial ownership of Class B Common Stock, par value $.10 per share, of the Issuer which is convertible into Class A Common Stock on a share for share basis. Daniel W. Horne's beneficial ownership consists of 1,666,970 shares of Class B Common Stock held in a revocable trust for which Daniel W. Horne and Walter J. Flowers serve as co-trustees, all of which are subject to the 1997 Voting Trust for which Timothy P. Horne serves as sole trustee. (See Exhibit 2 for a description of the 1997 Voting Trust). Deborah Horne is deemed the beneficial owner of 1,666,970 shares of Class A Common Stock of the Issuer. As noted below, all of Deborah Horne's beneficial ownership of Class A Common Stock is derived from beneficial ownership of Class B Common Stock, par value $.10 per share, of the Issuer, which is convertible into Class A Common Stock on a share for share basis. Deborah Horne's beneficial ownership consists of 1,666,970 shares of Class B Common Stock held in a revocable trust for which Timothy P. Horne serves as the sole trustee, all of which are subject to the 1997 Voting Trust for which Timothy P. Horne serves as sole trustee. (See Exhibit 2 for a description of the 1997 Voting Trust). Peter W. Horne is deemed the beneficial owner of 1,529,770 shares of Class A Common Stock of the Issuer. As noted below, substantially all of Peter W. Horne's beneficial ownership of Class A Common Stock is derived from beneficial ownership of Class B Common Stock, par value $.10 per share, of the Issuer which is convertible into Class A Common Stock on a share for share basis Peter W. Horne's beneficial ownership consists of (i) 1,515,010 shares of Class B Common Stock held in a revocable trust for which Peter W. Horne serves as the sole trustee, and (ii) 14,760 shares of Class A Common Stock. 1,495,010 shares of Class B Common Stock described in clause (i) above are subject to the 1997 Voting Trust for which Timothy P. Horne serves as trustee. (See Exhibit 2 for a description of the 1997 Voting Trust). Walter J. Flowers is deemed the beneficial owner of 1,799,710 shares of Class A Common Stock of the Issuer. As noted below, all of Mr. Flowers' beneficial ownership of Class A Common Stock is derived from beneficial ownership of Class B Common Stock, par value $.10 per share, of the Issuer which is convertible into Class A Common Stock on a share for share basis. Mr. Flowers' beneficial ownership consists of (i) 1,666,970 shares of Class B Common Stock held in a revocable trust for the benefit of Daniel W. Horne for which Daniel W. Horne and Mr. Flowers serve as co-trustees, (ii) 113,924 shares of Class B Common Stock held in a revocable trust for the benefit of Tiffany Horne Noonan for which Mr. Flowers serves as the sole trustee, (iii) 6,447 shares of Class B Common Stock held by a trust for the benefit of Kiera R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees, (iv) 6,447 shares of Class B Common Stock held by a trust for the benefit of Tessa R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees, and (v) 5,922 shares of Class B Common Stock held by a trust for the benefit of Liv R. Noonan, for which Joseph T. Noonan and Walter J. Flowers serve as co-trustees. All of the shares of Class B Common Stock (1,799,710 in the aggregate) are subject to the 1997 Voting Trust for which Timothy P. Horne serves as sole trustee. (See Exhibit 2 for a description of the 1997 Voting Trust). Mr. Flowers disclaims beneficial ownership of all such shares.

(b)

Percent of class:

Timothy P. Horne 17.8% equity percentage 68.2% voting percentage Daniel W. Horne 5.7% equity percentage 0.0% voting percentage Deborah Horne 5.7% equity percentage 0.0% voting percentage Peter W. Horne 5.3% equity percentage 0.2% voting percentage Walter J. Flowers 6.2% equity percentage 0.0% voting percentage

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

Timothy P. Horne 5,926,290 Daniel W. Horne 0 Deborah Horne 0 Peter W. Horne 34,760 Walter J. Flowers 0

(ii) Shared power to vote or to direct the vote:

Timothy P. Horne 0 Daniel W. Horne 0 Deborah Horne 0 Peter W. Horne 0 Walter J. Flowers 0

(iii) Sole power to dispose or to direct the disposition of:

Timothy P. Horne 964,600 Daniel W. Horne 0 Deborah Horne 0 Peter W. Horne 34,760 Walter J. Flowers 0

(iv) Shared power to dispose or to direct the disposition of:

Timothy P. Horne 4,961,690 Daniel W. Horne 1,666,970 Deborah Horne 1,666,970 Peter W. Horne 1,495,010 Walter J. Flowers 1,799,710

Item 5.

Ownership of 5 Percent or Less of a Class.

Item 6.

Ownership of more than 5 Percent on Behalf of Another Person.

Not Applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable

Item 8.

Identification and Classification of Members of the Group.

If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.

A group has filed this Schedule 13G pursuant to Rule 13d-1(d). The members of the group are: Timothy P. Horne Daniel W. Horne Deborah Horne Peter W. Horne Walter J. Flowers

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications:

Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Timothy P. Horne

Signature:	/s/ Timothy P. Horne
Name/Title:	Timothy P. Horne
Date:	07/29/2025

Daniel W. Horne

Signature:	/s/ Timothy P. Horne*
Name/Title:	Daniel W. Horne
Date:	07/29/2025

Deborah Horne

Signature:	/s/ Timothy P. Horne*
Name/Title:	Deborah Horne
Date:	07/29/2025

Peter W. Horne

Signature:	/s/ Timothy P. Horne*
Name/Title:	Peter W. Horne
Date:	07/29/2025

Walter J. Flowers

Signature:	/s/ Walter J. Flowers
Name/Title:	Walter J. Flowers
Date:	07/29/2025

Comments accompanying signature: *By Timothy P. Horne, Attorney in Fact pursuant to Powers of Attorney filed with the Securities and Exchange Commission on February 12, 1992, which Powers of Attorney are hereby incorporated herein by reference.

Exhibit Information

INDEX OF EXHIBITS 1. Amended and Restated Stock Restriction Agreement 2. The Amended and Restated George B. Horne Voting Trust Agreement - 1997 3. Agreement Regarding Joint Filing