| 431 / | HD | COMBUSTION |
| 159 | DF | FUEL DISPERSER INSTALLED IN FURNACE {10} |
| 161 | DF | .~ Furnace heated feed line section {4} |
| 166 | ![]() | .~.~ Section feeds oxidizer to disperser or through disperser furnace wall opening {1} |
| 167 | DF | .~.~.~> Section is furnace wall cavity leading to disperser |