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Nami Japanese Cast Iron Teapot – 800 ml Tetsubin

Nami Japanese Cast Iron Teapot

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$139.90
$219.90 $139.90
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The Nami Japanese cast iron teapot is a teapot-kettle inspired by the traditional tetsubin: it heats water on a gas hob and then brews your tea. With its 800 ml capacity, raised wave design and handle wrapped in natural fibres, it keeps your tea hot for longer and brings character to your table.

  • Cast iron in black, with a raised wave design
  • Capacity: 800 ml, around 3 to 4 cups
  • 2-in-1: heats water on gas, then brews your tea
  • Heat retention: cast iron keeps water and tea hot for longer
  • Handle wrapped in natural fibres
  • 60-day returns, tracked shipping

● A cast iron tetsubin teapot-kettle

In Japan, the tetsubin is a cast iron kettle that has been used for centuries to heat water for tea. The Nami teapot follows the same principle: place it on a gas hob over a low flame to heat water directly in the cast iron.

Once the water reaches the right temperature, you can brew your tea in it and serve straight away. Cast iron stores heat and releases it slowly, so your tea stays hot far longer than in a glass or porcelain teapot.

● Nami: a wave design inspired by Japanese prints

Nami means “wave” in Japanese. All around the teapot, raised breaking waves and their sprays of foam recall one of the most famous motifs in Japanese art.

This theme was made famous by The Great Wave off Kanagawa, Hokusai's woodblock print. On the matte black cast iron, the relief plays with the light, and the teapot's low, wide shape gives it real presence on the table.

● First use

  1. Rinse the teapot with hot water.
  2. Boil water two or three times, then discard it.
  3. Boil water with a small handful of green tea leaves for about ten minutes, then empty the teapot.
  4. Dry it with the lid open while it is still warm. Your teapot is ready.

● Making tea with your Nami teapot

  1. Fill the teapot with water without filling it to the brim.
  2. Heat over a low flame on the gas hob. Use an oven glove: cast iron gets very hot.
  3. Let it cool slightly to suit your tea: around 70–80 °C for Japanese green tea, 90–95 °C for black tea.
  4. Add the leaves, brew for the recommended time, then pour through a tea strainer (infuser not included).

● Build your Japanese tea set

Pair the Nami teapot with our Japanese teacups to create a complete Japanese tea set, or browse all our Japanese cups and mugs. Beautiful and built to last, the Nami teapot also makes a lovely Japanese gift for tea lovers.

● Caring for your cast iron teapot

  • Rinse with hot water after each use, without washing-up liquid or abrasive sponges.
  • Never put it in the dishwasher.
  • Empty it completely after use: never leave tea or water standing inside.
  • Dry it with the lid open while it is still warm: the residual heat evaporates moisture and prevents rust.
  • Never heat it empty and avoid thermal shock (cold water in a very hot teapot).
  • If rust appears: scrub gently with a soft brush, then boil water with green tea leaves for two or three days in a row.

● Technical specifications

MaterialCast iron
DesignRaised waves
ColourBlack
Capacity800 ml (3 to 4 cups)
UseHeating water and brewing tea
Heat sourceGas, low flame
HandleWrapped in natural fibres
InfuserNot included
DimensionsWidth 21.8 cm (including spout) · Height 16.5 cm (including handle) · Body height 5.8 cm
Opening6.2 cm
Base diameter7 cm
CareRinse with hot water, dry thoroughly, not dishwasher safe
Returns60 days

● FAQ: Nami Japanese cast iron teapot

Can the Nami teapot be used on the hob?

Yes, the Nami teapot is a cast iron teapot-kettle: it can heat water on a gas hob over a low flame. Use an oven glove to handle it, as cast iron gets very hot, and never leave it on the heat without water.

Why choose a Japanese cast iron teapot?

Cast iron stores heat and releases it slowly, so your water and tea stay hot far longer than in a glass or porcelain teapot. Sturdy and durable, a cast iron teapot lasts for years and brings real decorative presence to your table.

What is the capacity of the Nami teapot?

The Nami teapot holds 800 ml, around 3 to 4 cups. It is an ideal size for sharing tea for two or with a few friends, or for enjoying several cups throughout the day.

Do I need an infuser to brew tea?

The Nami teapot comes without an infuser. You can place the leaves directly in the hot water and pour the tea through a tea strainer, or use an infuser of your choice. Remember to remove the leaves once the tea has brewed.

How do I use a cast iron teapot for the first time?

Rinse it with hot water, then boil water two or three times and discard it. Next, boil water with a small handful of green tea leaves for about ten minutes, then empty and dry the teapot. This traditional ritual prepares the cast iron for use.

How do I care for a cast iron teapot?

Rinse it with hot water, without washing-up liquid or abrasive sponges, and never in the dishwasher. Empty it completely after each use and let it dry with the lid open while it is still warm: the residual heat evaporates any remaining moisture.

What should I do if my cast iron teapot rusts?

Cast iron can rust if it stays damp. Gently scrub the area with a soft brush, rinse, then boil water with green tea leaves, repeating this two or three days in a row. To prevent rust, always empty and dry your teapot thoroughly.

What does the Nami teapot's design represent?

Nami means “wave” in Japanese. The raised design depicts breaking waves, an iconic motif in Japanese art, made famous by Hokusai's celebrated print The Great Wave off Kanagawa.

Is the Nami teapot a good gift?

Yes. Beautiful, durable and useful every day, a Japanese cast iron teapot makes a wonderful gift for tea lovers and fans of Japanese culture. Paired with teacups, it becomes a complete Japanese tea set.

Can I return the teapot?

Yes. You have 60 days to return your teapot if it is not right for you. Shipping is tracked and our customer support team is happy to answer your questions before and after your order.

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