Controls: These furnace come standard with a digital programmable main control and a digital high limit safety control. Solid state power switching to the heating elements, and dual door limit safety switches that interrupt power to the elements when the door is opened.
Elements: High temperature alloy wire elements are mounted in porcelain plates on the walls and floor and in grooves in the brick door, this provides all around heating and close gradients throughout the furnace chamber. A ceramic hearth plate covers the floor element.
General Construction: Case is finished in a pleasing gray hammertone. The counter-weighted vertical rising door keeps the hot face away from the operator, it opens easily, remains securely in both the open and close positions and includes a kaowool® rope seal. All walls and door are constructed of 4 1/2″ of the finest quality insulating fire brick backed up by 2″ of 1800°F block insulation. This combination of insulation and wall thickness helps to give fast heat up and excellent heat retention for economical operation.