Ravelli Infinity Plus 11 Serie Manuel D'utilisation Et D'entretien page 73

Deep combustion chamber cleaning
! IMPORTANT
To clean the combustion chamber, proceed as follows:
1 Remove the vermiculite stop
2 Remove the vermiculite.
Use and maintenance manual Infinity Plus 11
This operation must be carried out by a Ravelli Assistance Centre.
Schedule this type of cleaning with the Ravelli Assistance Centre.
Rev.1 12/04/2018
Page 73 EN