Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
8404.10.00.10Tariff line
Classification path
Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof
8404
Auxiliary plant for use with boilers of heading 8402 or 8403
Economizers
8404.10.00.10
Rates of duty
General rate (Column 1)3.5%
SpecialFree (A*, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 245%
Unitt
Free (A*, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 2737
Measure flags
for origin CN, entry date 2026-10-25 · base rate 3.5%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 8404.10.00 is on L3
Confirmed total 41% · max 41%Full duty breakdown →