Round Nozzle NQ 40 for WHA3000 The Round Nozzle NQ 40 is a high-quality accessory for the Weller hot air station WHA3000, designed for precise soldering and desoldering tasks. It is ideal for applications such as SMD repairs, shrinking tubes, and drying paints and adhesives. This nozzle is characterized by its four-sided heating, which ensures even heat distribution. Complemented by a quick heating time and ergonomic design, it offers additional safety through overheating protection and automatic shutdown to ensure safe handling.