# HTS 9032: Automatic regulating or controlling instruments and apparatus; parts and accessories thereof:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=9032). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 9032: Automatic regulating or controlling instruments and apparatus; parts and accessories thereof:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 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: | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 40% |  |
| 9032.10.00.30 |       Designed for wall mounting | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.10.00.60 |       Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.10.00.90 |     Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.20.00.00 |   Manostats | Free |  | 35% | No. |
|  |   Other instruments and apparatus: |  |  |  |  |
| 9032.81.00 |     Hydraulic and pneumatic | Free |  | 35% |  |
|  |       Industrial process control instruments and apparatus: | Free |  | 35% |  |
| 9032.81.00.20 |         Hydraulic | Free |  | 35% | No. |
| 9032.81.00.60 |         Pneumatic | Free |  | 35% | No. |
| 9032.81.00.80 |       Other | Free |  | 35% | 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 | 1.1% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | No. |
| 9032.89.40.00 |         Other | 1.7% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 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: | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% |  |
| 9032.89.60.15 |           Complete systems | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.89.60.25 |           Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
|  |         Process control instruments and apparatus: | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% |  |
| 9032.89.60.30 |           Complete systems | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
|  |           Other: | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% |  |
| 9032.89.60.40 |           Temperature control instruments | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.89.60.50 |           Pressure and draft control instruments | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.89.60.60 |           Flow and liquid level control instruments | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.89.60.70 |           Humidity control instruments | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | No. |
| 9032.89.60.75 |           Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg |
| 9032.89.60.85 |         Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | 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 | 1.1% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 9032.90.41.00 |       Other | 1.7% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | kg |
| 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 | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg |
| 9032.90.61.40 |       Of manostats | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg |
| 9032.90.61.60 |       Of instruments and apparatus of subheading 9032.81 | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg |
| 9032.90.61.80 |       Other | 1.7% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg |