Weller wha 900 hot air station weller t0053171399 the 700w weller hot air station wha 900 uses temperature and volume controlled hot air in conjunction with a selection of weller patented technology concentrator nozzles the hap 3 3000 hot air pencil solders and desolders larger dual in line and quad pack components weller t0053171399 wha 900 hot air station 230v