8403
Central heating boilers (other than those of heading 8402) and parts thereof:
Duty Rates
General Rate (MFN)
N/A
Column 2 Rate
N/A
Classification
- Section
- 16. Machinery and Mechanical Appliances; Electrical Equipment
- Chapter
- 84. Chapter 84
Calculate Import Duty
Estimate duties for 8403 from any country
Frequently Asked Questions
What is HTS code 8403?
HTS code 8403 covers "Central heating boilers (other than those of heading 8402) and parts thereof:". The general duty rate is N/A.
What is the duty rate for HTS 8403?
The general (MFN) duty rate for HTS 8403 is N/A. Preferential rates may apply under trade agreements like USMCA, KORUS, etc.
What chapter does HTS 8403 belong to?
HTS 8403 belongs to Chapter 84: Chapter 84.
Check Rates by Country
Tariff rates for HTS 8403 vary by country of origin. Select a trading partner to see applicable rates.
Top Trading Partners
Related Codes in This Chapter
- 8403.10.00Boilers
- 8403.90.00Parts
- 8404.10.00Auxiliary plant for use with boilers of heading 8402 or 8403
- 8404.20.00Condensers for steam or other vapor power units
- 8404.90.00Parts
- 8405.10.00Producer gas or water gas generators, with or without their purifiers; acetylene...
- 8405.90.00Parts
- 8406.10.10Steam turbines
Guides & Resources
IEEPA Tariff Refund Calculator
Check if your imports qualify
Section 232 Tariffs 2026: Steel, Aluminum & Copper Rates After the April Restructuring
How Are Tariffs Calculated? The 2026 US Import Duty Formula Explained
CAPE Portal Troubleshooting: Fix Rejected Claims, CSV Errors & ACH Issues
Copper Tariff 2026: Section 232 Rates, Affected Products, and What Importers Need to Know
Importing From Taiwan: 2026 US Tariff Rates, Trade Deal & Customs Guide
Importing From Sri Lanka: 2026 US Tariff Rates, Duties & Customs Guide
Section 301 Investigation 2026: Every Country, Sector, and Deadline Importers Need to Know
CAPE Portal Filing Guide: How to Get Your IEEPA Tariff Refund in 2026
EU Combined Nomenclature (CN Codes): How the EU Classifies Imports and Why US Exporters Should Care
Customs Bond: Types, Costs, and How to Get One (2026 Guide)
Importer of Record (IOR): Responsibilities, Requirements, and How to Become One
Temporary Importation Under Bond (TIB): How It Works, What It Costs, and When to Use It
Agency Information Collection Activities; Extension; International Mail Duty Worksheet (IMDW)
Steel Concrete Reinforcing Bar From Algeria; Closure of Investigation