Resetting parameter to factory settings
Replacing the heat exchanger
Replacing the condense trap and siphonic drain
Replacing electronics and display
Factory guarantee and Vaillant service
1 Introduction
1.1 Notes on the documentation.
To ensure clarity of information in instructions a new European standard of advice and symbols
is being introduced. To ensure compliance with this new standard the following details are
included. The following information is intended to help you throughout the boilers entire
instruction pack.
We assume no liability for any damage caused by non-observance of these instructions.
1.1.1 Other instructions supplied with this appliance.