Title: Combustion chamber module and its manufacturing process Module comprising: a component of a combustion chamber structure surrounding the fireplace (23), and a tile (6) attached to the component which has a hot side facing the fireplace and a cold side not facing the combustion chamber but facing the component. The cold side (6a) has four off-center fasteners (10.1-10.4) to attach to the component. The base body (60.1-60.4) protruding from the cold side (6a) has a platform (600) to which the fixing element (10.1-10.4) is attached and with a cavity under this platform, open to the cold side (6a) through a side passage (602.1a-602.4a) on the base body (60.1-60.4). The eccentric base bodies (60.1-60.4) have a side passage (602.1a-602.4a) oriented on a reference point (103z) located on the center line (ML) so that the base body cavity (60.1, 60.3; 60.2, 90.4) is open towards the reference point (103z). Figure 1
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