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Guarantee registration

When it comes to quality, we accept nothing less than 100%. That’s why we’re so confident in the reliability of our products that we offer an extensive guarantee with every purchase.

Guarantee card

If you are not a Vaillant Advance member, you can fill out the guarantee card that comes with the Vaillant product and send it to the address provided.

Need support with registering a guarantee?

To register a gas productTo register a renewable product
Number to call0330 100 34610330 100 3540
Opening times7:30 - 19:00 (Mon-Fri)
8:00 - 15:00 (Sat)
8:00 - 12:00 (Sun)