Used Harrop Electric Box Furnace, Model NMR-BG1248320, Serial number 82263. Refractory Brick Lining, rated up to 3,000 F. Side Mounted Glow bar elements, Interior set area of 12, Door opening of 10. Programmable controls with chart recorder. Base mounted controls for upper, middle and lower glowbars. (2) Omega Programmable Controls. Power On, Blower Auto/On, Heater On/Off. Square D disconnect mounted to side. Electrical is 440 volt, 3 phase, 60 hertz, 30 amps.