Guarantee registration

Register your appliance

Register Guarantee

If you live in the ROI, please click here to register your guarantee

Check you have these to hand

To register a Vaillant product you will need the following information to hand.
View our terms and conditions

  • Serial Number
    The serial number is usually found on a visible sticker, and if you pull down the front panel at the bottom of your boiler, you should see a bar code underneath.
  • Gas Safe installer number
    Your installer should have provided you with this, but you can also find it on the Gas Safe register website.

Servicing your boiler

Guaranteed piece of mind

Your boiler should be serviced annually to keep it running at its most efficient and to comply with the boiler guarantee. Our team of Vaillant engineers provide the highest quality of service and provide advice on how to run your boiler efficiently.

Our engineers will check the following:

  • Flue and terminals
  • Heat exchangers
  • Combustion fan
  • Gas pressure and heat input
  • Safety devices
  • Operating pressure
  • Gas and water seals
  • Burners
  • Performance
  • Ignition system
  • Controls


Buy a Vaillant service plan for as little as £79 here

Install, Service or Repair

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Existing Customers

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