Round Nozzle ND 20 for WHA3000 The Round Nozzle ND 20 is a high-quality accessory for the Weller hot air station WHA3000, designed for precise soldering and desoldering tasks using hot air. This special nozzle, which is heated on two sides, allows for exact temperature control and an adjustable airflow, ideal for applications such as SMD repairs, shrinking of tubing, and drying of paints and adhesives. The quick heating time and ergonomic design of the station are optimally complemented by the nozzle, while integrated safety features such as overheat protection and automatic shutdown provide additional safety.