How to reset a Vaillant boiler

21 June 2022

When to reset your boiler

When your boiler is locked out and not producing hot water, it may be time to do a reset. The boiler will also most likely be displaying a fault code.

How to reset a Vaillant boiler

  • When resetting your Vaillant boiler, you simply need to press the button which has a picture of a flame with a cross through it for a few seconds. This should reset your boiler for you.

If your boiler is needing to be reset repeatedly or it is still not working after a reset, get in touch with us here to book in an engineer visit to make sure it is in full working order.