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Exhibit 23

Consent of Independent Registered Public Accounting Firm

The Board of Directors
Watts Water Technologies, Inc.:

        We consent to the incorporation by reference in the registration statements (Nos. 333-142714, 33-69422, 33-64627, 333-105798, 333-108699, 333-115968, and 33-30377) on Form S-8 and (Nos. 333-85862 and 333-180402) on Form S-3 of Watts Water Technologies, Inc. of our reports dated February 27, 2013, with respect to the consolidated balance sheets of Watts Water Technologies, Inc. and subsidiaries as of December 31, 2012 and 2011, and the related consolidated statements of operations, comprehensive income, stockholders' equity, and cash flows for each of the years in the three-year period ended December 31, 2012, and the related financial statement schedule, and the effectiveness of internal control over financial reporting as of December 31, 2012, which reports appear in the December 31, 2012 annual report on Form 10-K of Watts Water Technologies, Inc.

/s/ KPMG LLP

Boston, Massachusetts
February 27, 2013

1

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Exhibit 23

Consent of Independent Registered Public Accounting Firm