De Dietrich 83585509: sección completa del lado izquierdo

This complete left-hand side section is a subassembly of a sectional heat exchanger. In boilers of this type, the heat exchanger transfers heat from the flue gases to the heating water or, when a secondary plate exchanger is present, to domestic hot water. Such sections are assembled side by side to form the heat exchanger core; the left-hand side section forms the outermost part on the left side of the assembly. When replacing a section, the complete unit includes the necessary end plate and connection arrangement. Parts of this class are selected strictly by model-specific dimensions, number of sections (plates or ways), material—typically stainless steel, copper, or aluminium alloy—and the gasket type used between sections. Turbulators fitted inside the flue ways slow the exhaust gases to improve heat uptake, but the presence and configuration of turbulators depends on the design. Common failure modes for heat exchanger sections include scaling on the water side, soot accumulation on the gas side, gasket leaks, and, in condensing boilers, corrosion where condensate collects. When fitting a left-hand side section, ensure the gasket surface is clean and the section mates flush with adjacent sections to prevent flue gas bypass or water leakage. No dimensions, material, or specific boiler compatibility are stated here; verify fitment using the original boiler data.