EE-2444 - Surface Combustion : 18" W x 30" D x 12" H, Surface Combustion, Gas. EE-3189 - Surface Combustion : 30" W x 48" D x 30" H, Super all case with top cool & charge car. EE-3190 - Surface Combustion : 30" W x 48"D x 30" H, Surface Combustion,Super all case, Gas. EE-3214 - Surface Combustion : 36 x 72 x 36 Internal Quench Furnace line w/Top cool, gas fired,1950°F