Box Furnaces W.H. Kay > Products > Box Furnaces Reset Sorting Item # Image Wide Long High Manufacturer Heating Max. Temp. 1451 36" 48" 24" Surface (RTB- Atmosphere) Electric 1750° F View 1450 120" 264" 72" Sauder Car Bottom Natural Gas 1800° F View 1449 48" 168" 60" Ohio (Car Bottom) Natural Gas 2200° F View 1447 13" 24" 12" Electra (Up/Down) Electric 2000° F View View 1371 126" 420" 72" Drever "Lift-Off" (Atmosphere) Natural Gas 1650° F View 1440 12" 12" 12" Lucifer Electric 2000°F View 1433 6" 12" 6" Sentry Electric 2500°F View 1419 60" 216" 48" IFSI (Car Bottom Shuttle) Natural Gas 2400F View 1409 12" 24" 10" Lindberg Electric 2000 °F View 1410 12" 24" 10" Lindberg Electric 2500 °F View 1370 126" 420" 72" Drever "Lift-Off" (Atmosphere) Natural Gas 1650° F View 1376 12" 24" 12" Hevi-Duty Electric 1950° F View 1377 12" 24" 12" Hevi-Duty Electric 1950 °F View 1398 20" 48" 12" Hoskins Electric 2000° F View 1400 18" 36" 18" Lindberg Electric 1800° F View 1329 17" 14.5" 12" L&L Furnace Company (New) Electric 2350° F View