Decided to build up a heat treat oven during my vacation! Chamber is 27" long, 7" wide and 6.5" tall and I used coil over quartz tubes across the top of the kiln like a few others have done. Auber Ramp/Soak/Wifi PID, dual SSR and heat sinks, 240v and a 3840 watt, 16amp element in 13 AWG...