PHOTOGRAPH 921
MODEL HD-244824 HEAVY DUTY FURNACE, Serial No. 700047
For use in heat treating

-maximum operating temperature: 2000°F
-work space dimensions: 24" wide x 48" deep x 24" high
-34 KW installed in nickel chrome wire coils supported by vacuum formed ceramic fiber
-door heating element for improved temperature uniformity
-7" thick insulated walls comprised of 5" of ceramic fiber and 2" of 1700°F ceramic fiber; 6-1/2" floor insulation comprised of 4-1/2" of 2300°F firebrick and 2" of 1900°F block insulation
-motor operated vertical lift door
-digital programming temperature controller
-manual reset excess temperature controller with separate contactors