HS code for water tanks

Water tanks usually fall under these codes of the EU customs tariff (2026). Each code shows the third-country duty, the EU duty on imports from countries without a preferential agreement.

3925 10 Reservoirs, tanks, vats and similar containers, of a capacity exceeding 300 litres

Code	Description	Third-country duty
3925 10 00 Reservoirs, tanks, vats and similar containers, of a capacity exceeding 300 litres	Reservoirs, tanks, vats and similar containers, of a capacity exceeding 300 litres	6.5 %

7309 Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment

Code	Description	Third-country duty
7309 00 10 For gases (other than compressed or liquefied gas)	For gases (other than compressed or liquefied gas)	2.2 %
7309 00 30 For liquids – Lined or heat-insulated	For liquids – Lined or heat-insulated	2.2 %
7309 00 51 For liquids – Other, of a capacity – Exceeding 100 000 l	For liquids – Other, of a capacity – Exceeding 100 000 l	2.2 %
7309 00 59 For liquids – Other, of a capacity – Not exceeding 100 000 l	For liquids – Other, of a capacity – Not exceeding 100 000 l	2.2 %
7309 00 90 For solids	For solids	2.2 %

Classify your product

Which code applies depends on the material, function and use of the goods. Describe your product for a suggestion, and check the code with your customs authority or a Binding Tariff Information (BTI) before you import.

By hand or with hscode.info

Without the right code

A wrong code: up to 14 points more duty, or a back-payment with interest
Over 15,000 codes in the tariff to search by hand
Product names rarely match the wording of the tariff
The tariff changes every month
120,000 EU rulings in many languages to check
Duty rates change without anyone telling you

With hscode.info

91% right chapter and 84.7% right subheading on the first suggestion
97.7% right when the AI says “Best match”, and it flags when it is unsure
99.2% right on everyday product names
Quick AI answers in seconds
Grounded in 120,000 real EU customs rulings
Every monthly tariff since 2016, in German, English and French
An email when the duty of a code you watch changes
In your shop system or AI assistant through the API and MCP

Accuracy in numbers

Tested on 1,000 real EU customs rulings

Each case is a product a customs authority has classified. The AI sees only the description and has to find the same code.

Right on the first suggestion

Chapter, 2 digits 91%

Heading, 4 digits 87.9%

Subheading, 6 digits 84.7% / 93.9%

First suggestion In the top 5

1,000 EU rulings, October 2026

Marked “Best match”

97.7% right, for 60.9% of all cases

1,000 EU rulings, October 2026

Everyday product names

99.2% right first on short names like “running shoes”

132 short product names, October 2026

All numbers

What the right code is worth

One code off, up to 14 points of duty off

A wrong code costs either way: duty paid for nothing, or a back-payment with interest when customs notices. Third-country duty rates from the EU tariff.

Same goods, two codes

Screens +14 points

0% computer monitor 8528 52 00
14% other monitor 8528 59 00
Trainers +8.9 points

8% leather upper 6403 99 96
16.9% textile upper 6404 11 00
Bicycles +8 points

6% with electric motor 8711 60 10
14% without motor 8712 00 30
Tableware +6.5 points

5.5% stoneware 6912 00 23
12% porcelain 6911 10 00
Handbags +6 points

3.7% textile outside 4202 22 90
9.7% plastic sheeting outside 4202 22 10

EU third-country duty, October 2026

What a wrong code costs a year