# United States tariff line 7322.90.00.45: Parts of air heaters and hot air distributors

> In the United States tariff, line 7322.90.00.45 covers other, including parts, parts of air heaters and hot air distributors. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 7322.90 in heading 73.22 (chapter 73).

Source: https://border.bot/countries/united-states/hs-codes/7322900045
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 73](https://border.bot/countries/united-states/hs-codes/73) / [7322.90](https://border.bot/countries/united-states/hs-codes/732290) / [7322.90.00.45](https://border.bot/countries/united-states/hs-codes/7322900045)

## Key facts

- Tariff line: 7322.90.00.45
- Covers: Other, including parts, parts of air heaters and hot air distributors
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [7322.90](https://border.bot/hs-codes/732290)

## What this line covers

In the United States tariff, line 7322.90.00.45 covers other, including parts, parts of air heaters and hot air distributors.

Its legal text is “Parts of air heaters and hot air distributors”, read under “Other, including parts”.

## How it is structured

It falls under HS subheading 7322.90 in heading 73.22 (chapter 73). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 73: Articles of iron or steel
- Heading 73.22: 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
- Subheading 7322.90: Other, including parts
- Line 7322.90.00.45: Parts of air heaters and hot air distributors

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 7322.90.00.

## In other countries

No other national tariff on border.bot has live lines under 7322.90 yet.

- [The Harmonized System text for 7322.90](https://border.bot/hs-codes/732290)

## Other lines under 7322.90

- [7322.90.00.15](https://border.bot/countries/united-states/hs-codes/7322900015) Air heaters, not electrically heated, incorporating a motor-driven fan or blower
- [7322.90.00.30](https://border.bot/countries/united-states/hs-codes/7322900030) Hot air distributors, not electrically heated, incorporating a motor-driven fan or blower

- Previous line: [7322.90.00.30](https://border.bot/countries/united-states/hs-codes/7322900030) Hot air distributors, not electrically heated, incorporating a motor-driven fan or blower
- Next line: [7323.10.00.00](https://border.bot/countries/united-states/hs-codes/7323100000) Iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like

## Frequently asked questions

### What does tariff line 7322.90.00.45 cover in the United States tariff?

In the United States tariff, line 7322.90.00.45 covers other, including parts, parts of air heaters and hot air distributors.

### What is the general (MFN) duty on 7322.90.00.45 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 7322.90.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/7322900045.json