Thermosiphon Passive Solar Water Heater from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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