| 126 / | HD | STOVES AND FURNACES |
| 344 | DF | WATER HEATERS {7} |
| 350 R | | .~ Liquid and gaseous fuel {10} |
| 351 | DF | .~.~> Automatic |
| 355 | DF | .~.~> Drip plate |
| 357 | DF | .~.~> Hinged or separable |
| 358 | DF | .~.~> Lamp type |
| 359 | DF | .~.~> Overflow |
| 360 R | DF | .~.~> Submerged {1} |
| 350 A | DF | .~.~> Automobile radiator heater |
| 350 B | DF | .~.~> Vaporizers and humidifiers |
| 350 C | DF | .~.~> Washing machines |
| 350 D | DF | .~.~> Shower bath |