Ion Exchange Water Softener System
Residential water softener using cation exchange resin to remove hardness minerals (calcium, magnesium) from water, preventing scale buildup. Classified under HTS 8421.21.00.00 as water purifying apparatus.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If industrial process softeners for non-drinking water
General liquid treatment if not for potable water purification.
If imported water softening chemicals/resins only
Chemical preparations classification without apparatus.
If valve assemblies sold separately
Control valves classified as regulator/appliance valves.
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Import Tips & Compliance
• Specify resin type (sodium vs. potassium) and exchange capacity in documentation
• Include brine tank and regeneration system details for complete system classification
• Test for NSF/ANSI 44 certification compliance
Related Products under HTS 8421.21.00.00
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A residential reverse osmosis system that uses a semi-permeable membrane to filter and purify water by removing dissolved solids, bacteria, and contaminants. It falls under HTS 8421.21.00.00 as machinery specifically designed for filtering or purifying water for household or small-scale use.
Commercial Ultraviolet Water Purifier
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