24"W x 24"H x 48"L, Brimstone Box Tempering Furnace, Electric, 1400°F

Controls are mounted in an enclosure with fused disconnect attached to the left-hand side of the furnace. There is a digital temperature controller, Honeywell analog high-limit, a Honeywell Circular Chart Recorder and process timer which are all flush mounted to the door of the enclosure along with switches for the control power, circulating fan, heat and alarm silencer etc. SCR power controller for heating elements, high limit contactor, motor starter, fuses, relays etc. are mounted inside the enclosure.

Pneumatically operated vertical lift door with counter weight assist hand operator control valve. Ceramic fiber lined with roller rail type hearth and adjustable air louvers in the ceiling. Heating elements are mounted through the top and are located behind the rear wall stainless steel plenum. Belt driven circulating fan is mounted through the rear wall. Door limit switch cuts power to heating elements when the door is open.