Dual Chamber Furnaces
| Type | Series | Max. Temperature |
|---|---|---|
| Economy | Red Devil Dual | 2200°F UC / 1200°F LC |
| General Purpose | 8000 | 2300°F UC / 1600°F LC |
| Fiber Lined | 8000 LI | 2200°F UC / 1600°F LC |
| Economy High Speed Steel | 8000 EHS | 2450°F UC / 1600°F LC |
| High Speed Steel | 8000 HS | 2450°F UC / 1600°F LC |
| High Temperature | 8300 | 2500°F UC / 1600°F LC |