De Dietrich 200004702 right short turbulator F2

This is a De Dietrich turbulator, reference 200004702 also listed as 336.841.004, identified as a right short turbulator type F2. Parts of this category are installed in the flue gas passages of the heat exchanger. Their function is to create turbulence in the flow of flue gases, slowing them down so that more heat is transferred to the water circulating on the other side of the heat exchanger surface. This improves the thermal efficiency of the boiler. Turbulators are model-specific components. When selecting a replacement, the correct dimensions and connection type must be matched to the heat exchanger. The number of flue ways and the plate configuration also vary by model. Materials commonly used include stainless steel, copper, or aluminium alloy, depending on the boiler design and operating conditions. Gaskets, if fitted, must be of the correct type and material to maintain a seal. Typical issues that may lead to replacement include soot build-up on the gas side, which reduces heat transfer, or scaling on the water side. In condensing boilers, corrosion may occur where condensate collects, particularly if the material is not resistant. When replacing a turbulator, inspect the gasket condition and clean the flue passages to ensure proper operation. Always verify the part number against the boiler documentation to confirm the correct configuration.