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 | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
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?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• EPA emissions reduction documentation strengthens classification
• Burner model compatibility list prevents generic refractory classification
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