HS Code 9032
Automatic Regulating and Controlling Apparatus
HS code 9032 covers automatic regulating or controlling instruments and apparatus, such as thermostats and manostats, which maintain a factor at a desired value
4-digit Section XVIIIAir
HS Code 9032 — Automatic Regulating and Controlling Apparatus
This heading covers instruments that automatically maintain a variable (like temperature, pressure, or level) at a set point. They work by comparing a reading to a target and adjusting the system without human intervention.
What's included
- Thermostats
- Humidity controllers
- Automatic pressure regulators (manostats)
- Electronic voltage regulators
- PID controllers
What's excluded
- Tap-based pressure valves → use
8481(Purely mechanical valves are classified as pipe fittings/valves.) - Computers for process control → use
8471(General purpose computers are not HS 9032, even if running control software.)
Common examples
- Honeywell home thermostat
- Electronic engine control unit (ECU) for automobiles
- Industrial temperature controller
- Automatic boiler control panel
Frequently asked questions
What makes a device 'automatic' for 9032?
It must have a measuring device, a control mechanism, and a way to signal an actuator to correct a deviation from a set point.
Trade & shipping notes
- Typical duty range: 0% - 2.5%
- Documentation: Automotive controllers (ECUs) may have different duty rates depending on the vehicle type in certain free trade agreements.
- Typical shipping mode: Air
- Top exporters: Germany, China, United States
- Top importers: United States, Germany, China
Related HS codes
Key takeaway
Key differentiator is the 'feedback loop'—measuring, comparing, and acting automatically.
Related HS codes
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