Exhibit 21
SUBSIDIARY JURISDICTION OF INCORPORATION
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Watts Industries, Inc. DE
Watts Regulator Co. MA
Watts Securities Corporation MA
Watts Investment Company DE
Watts Finance Company DE
Webster Investment Company DE
Watts Drainage Products, Inc. DE
Jameco Industries, Inc. NY
Anderson-Barrows Metals CA
Corporation
Webster Valve, Inc. NH
Ames Holdings, Inc. DE
Watts Spacemaker, Inc. CA
Watts Radiant, Inc. DE
Watts Distribution Company, Inc. DE
Watts Premier, Inc. AZ
Watts Intermes GmbH Austria
Watts Ocean NV Belgium
Watts MTB EAD Bulgaria
Watts Industries Canada Canada
Watts Investment Company Canada
Canada Ltd.
Tanguu Watts Valve Co., LTD China
Watts Eurotherm SA France
WIG Armaturen Vertriebs GmbH Germany
Watts MTR GmbH Germany
Watts Industries Germany GmbH Germany
WSA Heizungs & Germany
Sanitartechnik GmbH
WIC Verwaltungs & Germany
Beteiligungs GmbH
Watts Dumser Verwaltungs GmbH Germany
Watts Dumser GmbH & Co., KG Germany
Watts Dumser Beteiligungs GmbH Germany
Watts Italy Holding SPA Italy
f/k/a Intemes SpA
Watts Londa SPA Italy
Watts Intermes Italy
f/k/a WLI S.R.L.
Watts Cazzaniga S.p.A. Italy
Idronica Line, S.r.l. Italy
Immobiliare Cazziniga S.r.l. Italy
Fimet S.r.l. Italy
Watts Stern Rubinetti S.r.l. Italy
Watts Industries Europe BV Netherlands
Philabel BV Netherlands
Watts Ocean BV Netherlands
Anderson Barrows Benelux BV Netherlands
Watt Europe Services BV Netherlands
Watts Industries, Sp. Z.o.o Poland
Watts GRC SA Spain
Watts Intermes AG Switzerland
Watts U.K. Ltd. UK