What is HS code 840310 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
Boilers; central heating boilers (excluding those of heading no. 8402)
Heading 8403 — Central heating boilers; excluding those of heading no. 8402
Chapter 84: Nuclear reactors, boilers, machinery
Use HS-6 840310 when importing or exporting central heating boilers designed for heating spaces, such as homes or commercial buildings. For example, a shipment of a gas-fired central heating boiler with a capacity of 30 kW would fall under this code.
This code specifically covers central heating boilers that operate using liquid or gaseous fuels, distinguishing them from electric boilers classified under different HS lines. If your product is an electric boiler, you would need to look at HS-6 840320 instead.
Boilers classified under HS-6 840310 are typically used in residential or commercial settings, and they must meet certain efficiency and emissions standards. It's important to ensure that your product complies with local regulations to avoid customs issues.
When considering this HS-6 line, be aware of the specific features of your boiler, such as whether it includes integrated controls or is designed for specific fuel types, as these details can affect classification and compliance.
Useful terms traders and brokers use for this HS-6 subheading.
central heating boiler · gas boiler · oil boiler · modular boiler system · condensing boiler · biomass heating · residential heating · commercial heating · boiler efficiency · integrated controls · heating appliances · boiler regulations · importing boilers · exporting boilers · customs classification · boiler compliance
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
Frequent classification questions with short practical guidance.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.
Common real-world topics that come up during code comparison.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
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