Ariston EuroCombi SX20 MFFI. Exploded Views The exploded view available in this section helps you to identify the part and part number you require. A ARISTON Installation and servicing instructions MODEL : EuroCombi SX 20 MFFICE Type C with Sealed Combustion Chamber G.C. NUMBER 4711602 Produced by Boiler Manuals for the Ariston Eurocombi SX20 MFF appliance. Eurocombi SX 20 Installation, Servicing and User Guide · View Manual · Download - 2.41 MB. Mend it - problems with my Ariston eurocombi boiler sx20 mffice? relight the pilot light?..i have lost my manual and the instructions on the boiler wereARISTON. Installation and servicing instructions. MODEL: EuroCombi SX 20 MFFICE. Type C with Sealed Combustion Chamber. G.C. NUMBER 4711602. ARISTON. B. Euro Combi. GENERAL. Installation of this appliance must be carried out by a competet installer who will install it according to proper. The service must be carried out by a corgl registered member only. INSTALLATION INSTRUCTIONS. INTRODUCTION. STYX, is a low water content boiler, room sealed fan