Voidless / Vacuum Reflow Soldering Ovens We offer vacuum reflow ovens with several different footprint and vacuum chamber size options, and are suitable for all volumes of production from R&D to HVM. …Convection Zones + 3 IR Zones + 3 Cool Zones, Total Length 589cm 2043MK5-VR Vacuum Reflow Oven 10 Convection zones oven + 3 IR zones + 3 Cool Zones, Oven Length 680cm