# HS code 9032.10: Thermostats

> HS code 9032.10 covers thermostats. It sits in heading 90.32 (automatic regulating or controlling instruments and apparatus) in chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof). Other goods of heading 90.32 are classified under 9032.20 (manostats), 9032.81 (other instruments and apparatus, hydraulic or pneumatic), 9032.89 (other instruments and apparatus, other) or 9032.90 (parts and accessories). National tariff lines under 9032.10 are live on border.bot for the United States (3 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/903210
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 90](https://border.bot/hs-codes/90) / [90.32](https://border.bot/hs-codes/9032) / [9032.10](https://border.bot/hs-codes/903210)

## Key facts

- HS code: 9032.10
- Covers: Thermostats
- Heading: [90.32: Automatic regulating or controlling instruments and apparatus](https://border.bot/hs-codes/9032)
- Chapter: [90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof](https://border.bot/hs-codes/90)
- Edition: HS2022
- Duty in the United States: [See its 3 lines](https://border.bot/countries/united-states/hs-codes/903210)

## What this code covers

HS code 9032.10 covers thermostats.

The legal text of the subheading is “Thermostats”, in HS2022.

## What it doesn’t cover

Other goods of heading 90.32 are classified under 9032.20 (manostats), 9032.81 (other instruments and apparatus, hydraulic or pneumatic), 9032.89 (other instruments and apparatus, other) or 9032.90 (parts and accessories).

- [9032.20](https://border.bot/hs-codes/903220) Manostats
- [9032.81](https://border.bot/hs-codes/903281) Other instruments and apparatus: Hydraulic or pneumatic
- [9032.89](https://border.bot/hs-codes/903289) Other instruments and apparatus: Other
- [9032.90](https://border.bot/hs-codes/903290) Parts and accessories

## How it is structured

9032.10 is a six-digit subheading. Its first two digits, 90, are the chapter; the first four, 9032, are heading 90.32; the last two, 10, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
- Heading 90.32: Automatic regulating or controlling instruments and apparatus
- Subheading 9032.10: Thermostats

## In other countries

National tariff lines under 9032.10 are live on border.bot for the United States (3 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/903210): 3 lines, used by 1 other country

- Previous subheading: [9031.90](https://border.bot/hs-codes/903190) Parts and accessories
- Next subheading: [9032.20](https://border.bot/hs-codes/903220) Manostats

## Frequently asked questions

### What does HS code 9032.10 cover?

HS code 9032.10 covers thermostats.

### Which heading and chapter is HS code 9032.10 in?

HS code 9032.10 is in heading 90.32 (automatic regulating or controlling instruments and apparatus) in chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof).

### Where are goods of heading 90.32 classified when 9032.10 doesn’t fit?

Other goods of heading 90.32 are classified under 9032.20 (manostats), 9032.81 (other instruments and apparatus, hydraulic or pneumatic), 9032.89 (other instruments and apparatus, other) or 9032.90 (parts and accessories).

### Which countries’ tariffs list national lines under HS code 9032.10?

National tariff lines under 9032.10 are live on border.bot for the United States (3 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Machine-readable: https://border.bot/hs-codes/903210.json