Boiler Feedwater Preheater
Shell-and-tube preheater using extracted steam to raise feedwater temperature before boiler entry, HTS 8404.10.0050 auxiliary plant. Reduces thermal shock and improves cycle efficiency.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-power plant process heating
Industrial heat exchangers not boiler auxiliary classified in 8419.
If OEM-specific replacement unit
Manufacturer-specific designs treated as boiler parts.
Not sure which classification is right?
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Import Tips & Compliance
• Include steam extraction point specifications from target turbine
• Document design pressures exceeding boiler operating conditions
• Distinguish from general process heaters
Related Products under HTS 8404.10.00.50
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