HS 8404 — Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)

HS heading 8404 (Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)) spans 3 products in U.S. import records, with 10,998 bill-of-lading shipments. The most imported are Condensers for steam or other vapor power units, Parts of auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers), and Auxiliary plant for use with boilers of heading 8402 or 8403.

Part of Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through May 2026