Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
HTS heading 9032: Automatic regulating or controlling instruments and apparatus; parts and accessories thereof
31 numbered lines under heading 9032, including 24 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 9032 | Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: | ||||
| 9032.10.00 | Thermostats | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 40% | |
| For air conditioning, refrigeration or heating systems: | |||||
| 9032.10.00.30 | Designed for wall mounting | No. | |||
| 9032.10.00.60 | Other | No. | |||
| 9032.10.00.90 | Other | No. | |||
| 9032.20.00.00 | Manostats | No. | Free | 35% | |
| Other instruments and apparatus: | |||||
| 9032.81.00 | Hydraulic and pneumatic | Free | 35% | ||
| Industrial process control instruments and apparatus: | |||||
| 9032.81.00.20 | Hydraulic | No. | |||
| 9032.81.00.60 | Pneumatic | No. | |||
| 9032.81.00.80 | Other | No. | |||
| 9032.89 | Other: | ||||
| Automatic voltage and voltage-current regulators: | |||||
| 9032.89.20.00 | Designed for use in a 6, 12 or 24 V system | No. | 1.1% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 9032.89.40.00 | Other | No. | 1.7% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 9032.89.60 | Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | |
| Control instruments for air conditioning, refrigeration or heating systems: | |||||
| 9032.89.60.15 | Complete systems | No. | |||
| 9032.89.60.25 | Other | No. | |||
| Process control instruments and apparatus: | |||||
| 9032.89.60.30 | Complete systems | No. | |||
| Other: | |||||
| 9032.89.60.40 | Temperature control instruments | No. | |||
| 9032.89.60.50 | Pressure and draft control instruments | No. | |||
| 9032.89.60.60 | Flow and liquid level control instruments | No. | |||
| 9032.89.60.70 | Humidity control instruments | No. | |||
| 9032.89.60.75 | Other | kg | |||
| 9032.89.60.85 | Other | kg | |||
| 9032.90 | Parts and accessories: | ||||
| Of automatic voltage and voltage-current regulators: | |||||
| 9032.90.21.00 | Designed for use in a 6, 12 or 24 V system | kg | 1.1% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 9032.90.41.00 | Other | kg | 1.7% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 9032.90.61 | Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | |
| 9032.90.61.20 | Of thermostats | kg | |||
| 9032.90.61.40 | Of manostats | kg | |||
| 9032.90.61.60 | Of instruments and apparatus of subheading 9032.81 | kg | |||
| 9032.90.61.80 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.