Heat Recovery Damper Assembly
An adjustable blade damper that controls flue gas bypass around economizer sections in boiler heat recovery systems. This damper assembly is a part of gas recoverers for boilers of heading 84.02 or 84.03, enabling temperature control for optimal recovery.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the damper is a standalone flow control device for general use
Other appliances for pipes, boiler shells, tanks, vats or the like are classified in heading 84.81.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the damper as a part of a gas recovery system, not as a general industrial valve
• Provide the damper's specifications, including blade material and actuation method
• Ensure the damper meets Canadian safety standards for pressure and temperature
Related Products under Tariff item 8404.90.00
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A precision-balanced rotor assembly for forced draft or induced draft fans used in boiler auxiliary systems. This impeller is a replacement part for fans that support combustion air and flue gas movement, which are integral to the operation of auxiliary plant for boilers of heading 84.02 or 84.03.
Boiler Soot Remover Motor Drive
An electric gearmotor unit that powers retractable soot blowers in boiler auxiliary cleaning systems. This motor drive is a part of soot removers used with boilers of heading 84.02 or 84.03, ensuring automated maintenance of heat transfer surfaces.
Condenser Tube Sheet
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Condenser Waterbox End Cover
A flanged steel cover that seals the ends of condenser waterboxes, providing access for tube maintenance in steam power condensers. This end cover is a part of condensers for steam or other vapour power units, with corrosion-resistant coating for cooling water exposure.
Economizer Support Bracket Set
Heavy-duty fabricated steel brackets and hangers used to mount economizer modules within boiler casings, designed to handle thermal expansion. These supports are parts of auxiliary plant for boilers of heading 84.02 or 84.03, ensuring structural integrity.
Economizer Tube Bundle
A heat exchanger assembly of finned tubes designed to recover waste heat from flue gases in boiler systems, preheating feedwater to improve efficiency. This tube bundle is a part of auxiliary plant for boilers of heading 84.02 or 84.03.