📂 Category 8404

 
 
84
8404
  Appareils auxiliaires pour chaudières des n°$s 8402 ou 8403 (économiseurs, surchauffeurs, appareils de ramonage ou de récupération des gaz, par exemple); condenseurs pour machines à vapeur
 - Parties

📖 About this code

This code covers auxiliary equipment designed to work alongside steam or hot water boilers. It includes devices that enhance the efficiency or operation of boilers used for heating or power generation.

Auxiliary plant for use with boilers of heading|8402|or 8403

📦 Example products classified here

  • Boiler economizer
  • Steam superheater
  • Boiler air preheater
  • Feedwater preheater
  • Steam ejector
  • Steam trap
  • Water/steam separator
  • Boiler water level controller
  • Boiler water treatment system
  • Air supply fan
  • Soot blower
  • Heat recovery equipment
  • Boiler feed pump
  • Boiler control valve
  • Sludge removal device
  • Combustion control system
  • Boiler heat exchanger

🚫 NOT classified here

  • × Boilers themselves (heading 8402 or 8403)
  • × Complete steam or hot water generating units
  • × Pumps for general purposes (8413)
  • × Fans and blowers (8414)
  • × Heat exchangers for general purposes (8419)
  • × Industrial or laboratory furnaces and ovens (8514)

⚠️ Easily confused codes

Double-check: these codes cover similar but distinct products.