# 903210 — Automatic regulating or controlling instruments and apparatus: Thermostats

HS code 903210 classifies Automatic regulating or controlling instruments and apparatus: Thermostats. It belongs to Chapter 90 (Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof) of Section XVIII (Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof) of the Harmonized System. Duty rates are recorded for 1 country.

> Section XVIII · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof
> Chapter 90 · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

**HS code:** `903210`

## Description

Automatic regulating or controlling instruments and apparatus : Thermostats

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 1.7% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/90/903210
Last updated: 2026-06-03
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