| 7321.11.00 | -- For gas fuel or for both gas and other fuels | |
| 7321.12.00 | -- For liquid fuel | |
| 7321.19.00 | -- Other, including appliances for solid fuel | |
| 7321.81.00 | -- For gas fuel or for both gas and other fuels | |
| 7321.82.00 | -- For liquid fuel | |
| 7321.89.00 | -- Other, including appliances for solid fuel | |
| 7321.90.00 | - Parts |