💾 Data Updated: 2025 HTS Revision 30 • Last updated: November 24, 2025

8516.10.00 - Electric instantaneous or storage water heaters and immersion heaters

Sub-classifications

Commodity Code
Description

Overview

This category encompasses electrically powered devices designed to heat water for various applications, including domestic, commercial, and industrial use. It broadly covers both instantaneous heaters, which produce hot water on demand as it flows through the unit, and storage heaters, which heat and store a quantity of water for later use. Immersion heaters, which consist of a heating element designed to be submerged directly into a liquid for heating, also fall under this heading.

It is important to distinguish this heading from other electrothermic appliances. For example, while both involve electrical heating, this category specifically addresses water heating. Sibling headings cover electric space heating apparatus, electrothermic hairdressing apparatus, electric flatirons, microwave ovens, and other ovens and cooking appliances, each with distinct functionalities and product types.

Within the broader classification of electric water heaters and immersion heaters, further subcategories exist to refine classification based on the specific type of water heater. These include "Storage water heaters," which are designed to heat and hold water in a tank, and "Other water heaters and immersion heaters," which captures instantaneous heaters and standalone immersion elements. This detailed breakdown allows for precise classification based on the operational mechanism and design of the appliance.

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