EX-21 6 wts-20211231xex21.htm EX-21

Exhibit 21

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Entity Name |  | Domestic Jurisdiction
AERCO International, Inc. | ​ | New Jersey
AHC Holding Company, Inc. | ​ | Delaware
Apex Valves Limited | ​ | New Zealand
Australian Valve Group Pty Ltd | ​ | Australia
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 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 Riverside Holdings, Inc. | ​ | Delaware
Sentinel Hydrosolutions, LLC | ​ | California
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
The Detection Group, Inc. | ​ | Delaware
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 Germany Holding GmbH | ​ | Germany
Watts Heating and Hot Water Solutions LLC | ​ | Delaware
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 GmbH | ​ | Austria
Watts International Holdings Limited | ​ | Gibraltar
Watts Italy Holding S.r.l. | ​ | Italy
Watts Manufacturing LLC | ​ | Delaware
Watts Manufacturing Mexico, S. de R.L. de C.V. | ​ | Mexico
Watts Manufacturing MX GmbH | ​ | Switzerland
Watts Regulator Co. | ​ | Massachusetts
Watts U.K. Ltd. | ​ | United Kingdom
Watts Water (Shanghai) Industrial Equipment Co., Ltd. | ​ | China
Watts Water Equipment Manufacturing (Ningbo) Co., Ltd. | ​ | China
Watts Water Quality and Conditioning Products, LLC. | ​ | Delaware
Watts Water Technologies (Australia) Pty Ltd. | ​ | Australia
Watts Water Technologies (Canada), Inc. | ​ | Canada
Watts Water Technologies (HK) Holding Limited | ​ | Hong Kong
Watts Water Technologies Latin America S.A. de C.V. | ​ | Mexico
Watts Water Technologies, Inc. | ​ | Delaware
WWT International Holding B.V. | ​ | Netherlands

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