HTS heading 7322 · Chapter 73
HTS 7322: Radiators for central heating, not electrically…
HTS heading 7322 covers radiators for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors which can also distribute fresh or conditioned air), not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel. It has 3 tariff lines with a duty rate; the general (MFN) rates are Free (3 lines).
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Radiators and parts thereof: | |||||
| 7322.11.00.00 | Of cast iron[No.] | Free | 45% | Estimate → | |
| 7322.19.00.00 | Other[No.] | Free | 45% | Estimate → | |
| 7322.90.00 | Other, including parts | Free | 45% | ||
| 7322.90.00.15 | Air heaters, not electrically heated, incorporating a motor-driven fan or blower[No., kg] | Estimate → | |||
| 7322.90.00.30 | Hot air distributors, not electrically heated, incorporating a motor-driven fan or blower[No., kg] | Estimate → | |||
| 7322.90.00.45 | Parts of air heaters and hot air distributors[No.] | Estimate → |
6 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 7322.11.00.00 at the general rate of Free, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (Free) | $0.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $47.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.