It's time for an update

You've been using your good friend IE for quite some time now. It has been a reliable companion for probably the last 20 years.

Unfortunately, due to technology constantly evolving, we would like to kindly ask you to update your browser to one of your liking from the ones listed below. This will ensure that you're going to have good time on our site. Actually, any site really.

Farewell, Internet Explorer.

Technical help

If you would like some urgent technical advice from a Vaillant expert, please call us. Please see the list of contact numbers below:

If your enquiry is less urgent, fill in the form and explain what you would like assistance with. Once you have submitted your query, a member of our team will be in touch within 48 hours.

Technical contact numbers:

Vaillant installer technical: 0330 100 3481

Homeowner technical: 0344 736 0049

Commercial Technical: 0330 102 8570

Technical help form: