At Vaillant we aim to offer the best in customer service, which is why we developed 'Customer First' - a philosophy which ensures that we meet your expectations whenever you contact us.

After Sales Service

The after sales service and support behind Vaillant is part of the quality package that has helped us to build a unique reputation within the industry. Vaillant offer complete after sales back-up for every product - service is available 7 days a week, 364 days a year across the UK.

For more details just call Vaillant Service on 0870 6060 777.

Technical Support

All the help you need to assist with the installation and servicing Vaillant products is just a click or phone call away. User, installation, servicing and flueing guides are available online at, as well as on the technical download service. For technical advice simply call 01634 292392.


Vaillant has an extensive range of training courses at six fully equipped training centres strategically located across the country. For full details call 01634 292370 or visit


At you will find latest news and product information along with downloadable documents that will help assist with the installation and servicing of Vaillant products. Never attempt to install, service or repair any boiler unless you are qualified to do so.