Vaillant ecoTEC plus 418 - Page 86

NOTE:
If the burner has to be removed it will require a new gasket and nuts when refitted (Article
No. 0020038670).
NOTE:
When replacing ensure that the sealing grommet, situated below the gas valve is
correctly re-seated.
8.1.7 Combustion chamber and heat exchanger
Fig. 8.8 Insulation