Cast Iron Residential Central Heating Boiler
A cast iron boiler designed for central heating systems in homes, generating hot water or steam to distribute heat via radiators or underfloor systems. It falls under HTS 8403.10.00.00 as a central heating boiler not of heading 8402, distinct from steam/electric generating boilers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for steam generation over 45 psi
Boilers primarily for producing steam at high pressure fall under heading 8402 for steam/electricity generation boilers.
If instant hot water type without central heating function
Instantaneous water heaters not combined with space heating are classified in 8419 as machinery for heating liquids.
If imported as peak load portable stove
Portable cooking or heating stoves of iron steel, not fixed central systems, go to Chapter 73 for metal articles.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify compliance with ASME Boiler and Pressure Vessel Code certification; ensure pressure relief valve documentation; avoid misclassification as hot water heaters under 8419
Related Products under HTS 8403.10.00.00
Gas-Fired Condensing Central Heating Boiler
High-efficiency condensing boiler using natural gas for residential central heating, recovering heat from exhaust gases to preheat incoming water. Classified under HTS 8403.10.00.00 for central heating boilers excluding those of heading 8402.
Oil-Fired Central Heating Boiler for Apartments
Oil-burning boiler for multi-unit residential central heating, distributing hot water to multiple apartments. It qualifies under HTS 8403.10.00.00 as a non-heading 8402 central heating boiler.
Steel Wall-Hung Combi Central Heating Boiler
Compact wall-mounted combi boiler providing both central heating and domestic hot water from a single steel unit. Falls under HTS 8403.10.00.00 for central heating boilers other than heading 8402 types.
Biomass Pellet Central Heating Boiler
Automatic biomass boiler burning wood pellets for eco-friendly central heating in homes or small commercial spaces. Classified in HTS 8403.10.00.00 as a central heating boiler excluding heading 8402.
Electric-Free Hybrid Central Heating Boiler
Hybrid boiler combining gas and solar thermal for central heating without electric ignition. Meets HTS 8403.10.00.00 for central heating boilers not covered by heading 8402.
Commercial Stainless Steel Central Heating Boiler
High-capacity stainless steel boiler for office building central heating systems. Under HTS 8403.10.00.00 as central heating boiler distinct from 8402 types.