… Software Specifications Videos Inquiry Reflow Oven Models Oven Length # of Heating Zones # of Cooling Zones Max PCB Width 1826** 465 cm (183″) 8 2 Top (std) Bottom Cool / External Cool … Cool / External Cool optional 22″ 2156 869 cm (342″) 17 5 Top (std) Bottom Cool / External Cool optional 22″ *The 1913, 1809 & 1707 Reflow Oven series have 10 inch wide …