No. 886 is a dual-chamber electric bench furnace that can be used for a variety of heat-treating applications. The unit includes an upper chamber with operating temperatures to 2200°F and a lower chamber with operating temperatures to 1250°F. Workspace dimensions measure 12 inches wide x 24 inches deep x 12 inches high in the upper chamber; 12 inches wide x 20 inches deep x 12 inches high in the lower chamber. Each furnace chamber has 6-inch-thick walls made from 2 inches of 2300°F ceramic fiber and 4 inches of block insulation. Ceramic hearth plates support the workload in each chamber.