{
  "summary": "HS code 8402.12 covers steam or other vapour generating boilers, watertube boilers with a steam production not exceeding 45t per hour. It sits in heading 84.02 (steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.02 are classified under 8402.11 (steam or other vapour generating boilers, watertube boilers with a steam production exceeding 45t per hour), 8402.19 (steam or other vapour generating boilers, other vapour generating boilers, including hybrid boilers), 8402.20 (super-heated water boilers) or 8402.90 (parts). National tariff lines under 8402.12 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "8402.12",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Steam or other vapour generating boilers, watertube boilers with a steam production not exceeding 45t per hour",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "84.02: Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/8402"
    },
    {
      "label": "Chapter",
      "value": "84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/84"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/840212"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 8402.12 cover?",
      "answer": "HS code 8402.12 covers steam or other vapour generating boilers, watertube boilers with a steam production not exceeding 45t per hour."
    },
    {
      "question": "Which heading and chapter is HS code 8402.12 in?",
      "answer": "HS code 8402.12 is in heading 84.02 (steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof)."
    },
    {
      "question": "Where are goods of heading 84.02 classified when 8402.12 doesn’t fit?",
      "answer": "Other goods of heading 84.02 are classified under 8402.11 (steam or other vapour generating boilers, watertube boilers with a steam production exceeding 45t per hour), 8402.19 (steam or other vapour generating boilers, other vapour generating boilers, including hybrid boilers), 8402.20 (super-heated water boilers) or 8402.90 (parts)."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 8402.12?",
      "answer": "National tariff lines under 8402.12 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 8402.12 covers steam or other vapour generating boilers, watertube boilers with a steam production not exceeding 45t per hour.",
        "The legal text of the subheading is “Steam or other vapour generating boilers: Watertube boilers with a steam production not exceeding 45t per hour”, read under “Steam or other vapour generating boilers”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 84.02 are classified under 8402.11 (steam or other vapour generating boilers, watertube boilers with a steam production exceeding 45t per hour), 8402.19 (steam or other vapour generating boilers, other vapour generating boilers, including hybrid boilers), 8402.20 (super-heated water boilers) or 8402.90 (parts)."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "8402.12 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8402, are heading 84.02; the last two, 12, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 8402.12 are live on border.bot for the United States (1 line, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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."
      ]
    }
  ],
  "data": {
    "type": "hs-subheading",
    "edition": "HS2022",
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      "code": "84",
      "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof"
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    "heading": {
      "code": "8402",
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        "description": "Steam or other vapour generating boilers: Other vapour generating boilers, including hybrid boilers"
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      {
        "code": "840220",
        "description": "Super-heated water boilers"
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      {
        "code": "840290",
        "description": "Parts"
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        "name": "United States",
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        "lines": 1,
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        "dataset": "GLOBAL:hs",
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  "code": "840212",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "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.",
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