Item 8.01. Other Events

On November 2, 2012, Timothy P. Horne, the controlling stockholder of Watts Water Technologies, Inc. (the "Company"), established a pre-arranged plan to sell shares of class A common stock, par value $.10 per share, of the Company ("Class A Common Stock") in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. Mr. Horne's plan provides that over a six-month period, up to 150,000 shares of Class A Common Stock may be sold.

Rule 10b5-1 permits insiders to implement a written plan to sell stock when they are not aware of material non-public information and continue to sell shares in accordance with the predetermined plan, even if they subsequently become aware of such information.

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