Thermosiphon Passive Solar Water Heater from Japan
Passive thermosiphon design relies on natural convection for water circulation between roof collectors and ground-level storage tank, eliminating pumps. Falls under HTS 8419.12.00.00 for nonelectric solar storage water heaters treating water by solar heating.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Emphasize 'passive/no electricity required' in all import docs to secure solar water heater status
• Provide hydraulic design schematics showing thermosiphon operation to prevent parts classification