Exhibit 21
Entity Name |
| Domestic Jurisdiction |
AERCO International, Inc. |
| New Jersey |
AHC Holding Company, Inc. |
| Delaware |
Apex Valves Limited |
| New Zealand |
Bar pneumatische steuerungssysteme GmbH |
| Germany |
Black Teknigas & Electro Controls Limited |
| United Kingdom |
BLÜCHER France SARL |
| France |
BLÜCHER Germany GmbH |
| Germany |
BLÜCHER Metal A/S |
| Denmark |
BLÜCHER Metal A/S branch in Finland |
| Finland |
BLÜCHER Metal A/S branch in Poland |
| Poland |
BLÜCHER Metal A/S branch in Russia |
| Russian Federation |
BLÜCHER Norway AS |
| Norway |
BLÜCHER Sweden AB |
| Sweden |
BLÜCHER UK LTD |
| United Kingdom |
BM Stainles Steel Drains Limited |
| United Kingdom |
Dormont Manufacturing Company |
| Pennsylvania |
Electro Controls Ltd. |
| United Kingdom |
HF Scientific, LLC. |
| Florida |
Hornet Enterprises, LLC |
| Michigan |
Hornet Manufacturing LLC |
| Michigan |
PVI Industries, LLC |
| Delaware |
PVI Riverside Holdings, Inc. |
| Delaware |
Socla SAS |
| France |
Socla Valves and Controls Iberica SA |
| Spain |
Taft Engineering, Inc. |
| Colorado |
Tekmar Control Systems Ltd. |
| British Columbia |
Tekmar Control Systems, Inc. |
| Washington |
Valpes S.A.S. |
| France |
Watts (Ningbo) International Trading Co., Ltd. |
| China |
Watts (Shanghai) Management Company Limited |
| China |
Watts Asia Pacific Sales Pte. Ltd. |
| Singapore |
Watts Benelux B.V.B.A. |
| Belgium |
Watts Denmark Holding ApS |
| Denmark |
Watts Deutschland Holdings GmbH & Co KG |
| Germany |
Watts Electronics S.A.S. |
| France |
Watts EMEA Holding BV |
| Netherlands |
Watts France Holding S.A.S. |
| France |
Watts Germany Holding GmbH |
| Germany |
Watts Holdings Limited |
| Gibraltar |
Watts Ind. Iberica S.A. |
| Spain |
Watts Industries Bulgaria EAD |
| Bulgaria |
Watts Industries Deutschland GmbH |
| Germany |
Watts Industries France S.A.S. |
| France |
Watts Industries Italia S.r.l. |
| Italy |
Watts Industries Middle East FZE |
| Dubai |
Watts Industries Netherlands B.V. |
| Netherlands |
Watts Industries Nordic AB |
| Sweden |
Watts Industries Polska Sp. z.o.o. |
| Poland |
Watts Industries Tunisia S.A.S. |
| Tunisia |
Watts Industries UK Limited. |
| United Kingdom |
Watts Intermes AG |
| Switzerland |
Watts Intermes GmbH |
| Austria |
Watts International Holdings Limited |
| Gibraltar |
Watts Italy Holding S.r.l. |
| Italy |
Watts Korea Co. Ltd. |
| Republic of Korea |
Watts Regulator Co. |
| Massachusetts |
Watts U.K. Ltd. |
| United Kingdom |
Watts Water Equipment Manufacturing (Ningbo) Co., Ltd. |
| China |
Watts Water Quality and Conditioning Products, LLC. |
| Delaware |
Watts Water Technologies (Australia) Pty Ltd. |
| South Wales |
Watts Water Technologies (Canada), Inc. |
| Federally Chartered |
Watts Water Technologies (HK) Holding Limited |
| Hong Kong |
Watts Water Technologies Latin America S.A. de C.V. |
| Mexico |
Watts Water Technologies, Inc. |
| Delaware |