Intake reducer for 21 De Dietrich JJJ005110400

The intake reducer for 21 is designed to adapt air intake connections in heating systems, specifically for 21mm diameter pipes. It allows for a reduction in pipe size, facilitating connections between different components. This reducer helps optimize airflow and is commonly used in burner and boiler installations. Proper sizing ensures minimal pressure drop and efficient combustion, making it a practical choice for system modifications or repairs.