Round Nozzle NR 05 for WHA3000 The Round Nozzle NR 05 is a special accessory for the Weller hot air station WHA3000, designed for precise soldering and desoldering tasks. This non-vacuum nozzle allows for exact temperature control and adjustable airflow, ideal for applications such as SMD repairs, shrinking tubing, and drying paints and adhesives. The quick heating time and the ergonomic design of the station, combined with the round nozzle, ensure efficient and safe operations, supported by safety features like overheating protection and automatic shutdown.