Trademark acknowledgements

Products made by other manufacturers, and other trade names may be mentioned by Viessmann in submittal/specification documents. The names of these companies and products may be registered trademarks in various jurisdictions around the world.

Some of these trademarks are listed below. This is not a comprehensive list, and there may be other trademarks registered by these companies in the United States and/or other countries. 

AHRI® is a registered trademark of Air-Conditioning, Heating and Refrigeration Institute Inc. in the U.S. and/or elsewhere. 

AL29-4C® is a registered trademark of Allegheny Ludlum Corp. in the U.S. and/or elsewhere.

AMTROL® and EXTROL® are registered trademarks of Amtrol Inc. and its affiliates in the U.S. and elsewhere.

ASHRAE® and BACNET® are registered trademarks of American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc. in the U.S. and/or elsewhere.

ASME® is a registered trademark of The American Society of Mechanical Engineers in the U.S. and/or elsewhere.

BECKETT® is a registered trademark of R.W. Beckett Corp. in the U.S. and/or elsewhere.

CONBRACO® is a registered trademark of Conbraco Industries Inc. in the U.S. and/or elsewhere. 

CSA® is a registered trademark of Canadian Standards Association in the U.S. and/or elsewhere.

ENERGY STAR® is a registered trademark of United States Environmental Protection Agency in the U.S. and/or elsewhere. 

GRUNDFOS® is a registered trademark of Grundfos A/S Corp. in the U.S. and/or elsewhere.

HONEYWELL® and CENTRA® are registered trademarks of Honeywell International Inc. in the U.S. and/or elsewhere. 

I=B=R® is a registered trademark of Gas Appliance Manufacturers Association Inc. in the U.S. and/or elsewhere. 

OPENTHERM® is a registered trademark of the OpenTherm Association in the U.S. and/or elsewhere.

RIELLO® is a registered trademark of Riello S.P.A. Corp. in the U.S. and/or elsewhere.

SECURE SEAL® is a registered trademark of Security Chimneys International Ltd. in the U.S. and/or elsewhere.

TYFOCOR® is a registered trademark of Tyforop Chemie GmbH in the U.S. and/or elsewhere. 

VERSATRONIK® is a registered trademark of K-W Electronic Service Inc. in the U.S. and/or elsewhere.

WEISHAUPT® is a registered trademark of Max Weishaupt GmbH in the U.S. and/or elsewhere. 

WILO®, WILO-STAR® and STRATOS® are registered trademarks of Wilo SE in the U.S. and/or elsewhere.