Tariff reference › Chapter 84 › 8403.10.00.00
HTS 8403.10.00.00 — Boilers
The current US import duty for Boilers (HTS 8403.10.00.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Central heating boilers (other than those of heading 8402) and parts thereof: › Boilers
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 45% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 4A — 9903.88.15 (+7.5%).
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=8403.10.00.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).