140 years of innovation German quality Sustainable products Home professionnal work place Architects & design offices Valiant Access to PRO area To research Products Heating project Service & support Funding aid Expert's word News Promotions Free quote Quote request Find a Pro Contact us Vaillant condensing boilers: German quality at home! Discover all our ranges We use cookies We use cookies and third-party tracking tools to remember your preferences, to measure and analyze the use of our websites, and to optimize your experience. You can accept the use of cookies, refuse them or indicate your preferences either globally for the site or on a service by service basis by clicking on each category of cookies to activate or deactivate their use. You can manage the use of cookies in your browser settings and withdraw your consent at any time. For more information, see our privacy policy and our cookies policy . Configure my choices Refuse everything Accept all