Heading 8402

HTS code 8402 — Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof

Chapter
84 — Machinery and mechanical appliances
Tariff lines
6
General duty
General duty rates from 3.3% to 5.2%

Tariff lines under heading 8402

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
8402.11.0000Watertube boilers with a steam production exceeding 45 t per hour (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof > Steam or other vapor generating boilers)5.2%t
8402.12.0000Watertube boilers with a steam production not exceeding 45 t per hour (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof > Steam or other vapor generating boilers)4.3%t
8402.19.0000Other vapor generating boilers, including hybrid boilers (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof > Steam or other vapor generating boilers)5.2%t
8402.20.0000Super-heated water boilers (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof)3.3%t
8402.90.0010Heat exchangers (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof > Parts)4.3%t
8402.90.0090Other (Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof > Parts)4.3%kg

Documents required to import under 8402

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

  • FCC Declaration (Form 740)Conditional

    Required for electronic devices that emit radio frequency

  • FDA Radiation Declaration (Form 2877)Conditional

    Required for products that emit radiation (X-ray, laser, microwave, etc.)

Common questions

What is HTS code 8402?
HTS heading 8402 covers steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof. It sits in Chapter 84 (machinery and mechanical appliances) of the US Harmonized Tariff Schedule and contains 6 tariff lines.
What is the duty rate for HTS 8402?
General duty rates from 3.3% to 5.2%. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 8402 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 84