High-Pressure Economizer Assembly

Heavy wall economizer assembly for high-pressure steam boilers exceeding 1000 psi operation. Engineered specifically as auxiliary plant for power boilers (HTS 8404.10.00.10). Features thick-walled tubes and reinforced headers.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+35.0%38.5%
🇲🇽Mexico3.5%+10.0%13.5%
🇨🇦Canada3.5%+10.0%13.5%
🇩🇪Germany3.5%+10.0%13.5%
🇯🇵Japan3.5%+10.0%13.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8402.90.00Higher: 39.3% vs 38.5%

If classified as fixed boiler components

Economizers permanently attached to specific boilers may classify as boiler parts under 8402.90.

7304.31.30.00Lower: 35% vs 38.5%

If imported as seamless boiler tubes without assembly

Individual high-pressure tubes classify under Chapter 73 as boiler/pressure vessel tubes.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include ASME Section I certification; provide hydrostatic test records; verify import licensing for high-pressure equipment

Related Products under HTS 8404.10.00.10

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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.

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.

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

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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.