Chapter 90 · HTS release 2026HTSRev21

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

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general): Free to 1.7%
Additional duty, main origins: 0–37.5%
Statistical lines: 24
Entry date shown: 2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
Origin	Additional duty	Measures
China	12.5–37.5%	Section 301
Mexico	0–10%	Section 301
Canada	0–10%	Section 301
Vietnam	12.5%	Section 301
Germany	8.3–10%	Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

9903.05.29 Section 301
9903.05.31 Section 301
9903.05.39 Section 301
9903.05.55 Section 301
9903.05.84 Section 301
9903.05.93 Section 301
9903.05.94 Section 301
9903.88.01 Section 301
9903.88.69 Section 301

Every line, every origin, with citations

This page sums heading 9032 up. The duty for one line, origin and date comes from the duty engine:

Base rate plus each Chapter 99 line, in percent and in dollars
Citations to the Federal Register, CBP and the USITC, with the quoted text
The lines considered and not applied, and why
Any origin, any entry date from 2025-01-01 to 2026-10-09

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Lines in this heading

The 24 statistical lines of heading 9032

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

9032.10.00.30… › For air conditioning, refrigeration or heating systems › Designed for wall mounting
9032.10.00.60… › For air conditioning, refrigeration or heating systems › Other
9032.10.00.90Thermostats › Other
9032.20.00.00Manostats
9032.81.00.20… › Industrial process control instruments and apparatus › Hydraulic
9032.81.00.60… › Industrial process control instruments and apparatus › Pneumatic
9032.81.00.80… › Hydraulic and pneumatic › Other
9032.89.20.00… › Automatic voltage and voltage-current regulators › Designed for use in a 6, 12 or 24 V system
9032.89.40.00… › Automatic voltage and voltage-current regulators › Other
9032.89.60.15… › Control instruments for air conditioning, refrigeration or heating systems › Complete systems
9032.89.60.25… › Control instruments for air conditioning, refrigeration or heating systems › Other
9032.89.60.30… › Process control instruments and apparatus › Complete systems
9032.89.60.40… › Other › Temperature control instruments
9032.89.60.50… › Other › Pressure and draft control instruments
9032.89.60.60… › Other › Flow and liquid level control instruments
9032.89.60.70… › Other › Humidity control instruments
9032.89.60.75… › Other › Other
9032.89.60.85… › Other › Other
9032.90.21.00… › Of automatic voltage and voltage-current regulators › Designed for use in a 6, 12 or 24 V system
9032.90.41.00… › Of automatic voltage and voltage-current regulators › Other
9032.90.61.20… › Other › Of thermostats
9032.90.61.40… › Other › Of manostats
9032.90.61.60… › Other › Of instruments and apparatus of subheading 9032.81
9032.90.61.80… › Other › Other

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.