Iqw20-30 de l'ailette supérieure De Dietrich 7687871

The upper fin for Iqw20-30 is a critical part of the heat exchanger, helping to optimize heat transfer and combustion efficiency. It works with the lower fin to ensure even heat distribution within the boiler or burner system. Replacing a worn upper fin can restore performance and extend equipment life. This fin is a reliable spare part for heating system maintenance.