Vaillant · ecoTEC pro Boilers
The boiler may experience ignition problems if the liquid gas tank was not properly purged during the system installation. This prevents the boiler from starting correctly.
Click steps to track your progress.
First, contact the person in charge of filling the gas tank to address the purging issue.
Verify the information on conversion to liquid gas in section 10.9 of this manual.
Ensure that the gas tank has been correctly prepared for use.