Fire Tube Economizer Module
Modular fire tube economizer with multiple passes for maximum heat transfer from flue gases to boiler feedwater. Specifically engineered as auxiliary equipment for water tube boilers under headings 8402/8403, hence HTS 8404.10.00.10. Includes mounting flanges for direct boiler integration.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as integral boiler parts rather than auxiliary
Parts specifically designed for particular boilers may classify under 8403.90 as boiler parts.
If used in vapor power units other than steam boilers
Heat recovery equipment for non-boiler vapor power systems falls under 8419.20 condensers.
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Import Tips & Compliance
• Require flue gas flow calculations for proper sizing certification; ensure module pressure ratings exceed boiler operating pressure; provide installation drawings for customs valuation
Related Products under HTS 8404.10.00.10
Cast Iron Boiler Economizer
A cast iron economizer designed to recover waste heat from boiler flue gases to preheat feedwater, improving overall boiler efficiency. It is classified under HTS 8404.10.00.10 as auxiliary plant specifically for use with boilers of headings 8402 or 8403. This heat exchanger mounts directly on the boiler exhaust stack.
Steel Tube Boiler Economizer
Finned steel tube economizer that captures residual heat from combustion gases to preheat boiler water, reducing fuel consumption. Falls under HTS 8404.10.00.10 as dedicated economizer auxiliary plant for steam boilers. Features high-pressure tubes rated for industrial boiler exhaust temperatures.
Condensing Economizer Unit
Advanced condensing economizer that recovers both sensible and latent heat from boiler exhaust, achieving up to 98% efficiency. Designed exclusively as auxiliary plant for industrial boilers (HTS 8404.10.00.10). Features corrosion-resistant materials for acidic condensate handling.
Industrial Waste Heat Economizer
Heavy-duty economizer for recovering waste heat from large industrial boilers, featuring bare tube and finned sections. Classified under HTS 8404.10.00.10 as essential auxiliary plant for boilers in power generation and manufacturing. Built to withstand high-temperature, high-dust flue gas environments.
Packaged Boiler Economizer Kit
Complete factory-assembled economizer kit including tubes, headers, casing, and mounting hardware for field installation on boilers. Specifically HTS 8404.10.00.10 as auxiliary plant despite kit packaging, due to exclusive boiler application. Includes pre-wired temperature controls.
Stainless Steel Economizer Coils
Corrosion-resistant stainless steel helical coils designed for economizer service in biomass boilers. HTS 8404.10.00.10 classification as boiler auxiliary plant due to specific design for flue gas heat recovery. Rated for alkaline combustion environments.