Low NOx Gas Burner Insert
Ceramic or metal fiber insert that creates staged combustion for reduced NOx emissions in gas burners. Retrofit for existing furnace burners. Under HTS 8416.90.00.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If marketed as generic refractory burner blocks
Refractory ceramic shapes without specific burner function go to Chapter 69.
If for large industrial filtering applications
Emission control filters classified with air filtering equipment.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• EPA emissions reduction documentation strengthens classification
• Burner model compatibility list prevents generic refractory classification
Related Products under HTS 8416.90.00.00
Pulverized Coal Burner Nozzle
High-temperature resistant nozzle for pulverized solid fuel burners in power plants and cement kilns. Designed to atomize coal particles for optimal combustion. Falls under HTS 8416.90.00.00 as burner parts.
Mechanical Ash Discharger Screw
Helical screw conveyor for automatic ash removal from furnace bottoms. Corrosion-resistant alloy construction. Part of mechanical ash dischargers under HTS 8416.90.00.00.
Liquid Fuel Atomizing Nozzle
Precision-machined nozzle creating fine fuel spray pattern for complete combustion in oil-fired furnace burners. Replaceable wear part. Under HTS 8416.90.00.00.
Furnace Burner Refractory Tile
High-alumina refractory tile lining burner throat area exposed to extreme flame temperatures. Custom contoured for airflow. Part of HTS 8416.90.00.00.
Mechanical Stoker Feed Drive Gearbox
Heavy-duty reduction gearbox powering coal/wood feed mechanism in mechanical stokers. High torque for sticky fuels. HTS 8416.90.00.00 stoker part.
Burner Sequence Controller Housing
Die-cast aluminum enclosure protecting burner control electronics from furnace heat and vibration. Gasketed for NEMA 4X. Mechanical part under HTS 8416.90.00.00.