Drainback Solar Water Heater System from Japan
Drainback design automatically drains collectors when pump stops, using distilled water to prevent freezing damage. Qualifies under HTS 8419.12.00.00 as nonelectric solar water heater despite minimal pump (classified as solar thermal equipment).
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'distilled water only' operation to maintain nonelectric solar heater status
• Include controller specs showing pump serves only circulation, not primary heating