Harvia Vulcanite heater stones AC3045

Heater stones | Vulcanite

Sauna heater stones Harvia Black Vulcanite 10-15 cm 20 kg

Black vulcanite sauna heater stone is a small granular, dark grey stone. When wet, the stone shines black making it a great-looking option with selected Harvia heaters. The stone’s volcanic origins date back to ca. 2000 million years. Based on its structure and composition, vulcanite is a good choice for a sauna stone as it is hard and durable.

Item number Harvia
Type code
Electrical number (STK)

  • Stylish vulcanite sauna heater stone. Shines black when wet.
  • For large electric heaters and to all wood burning heaters
  • Split-face stones store plenty of heat, making the water thrown onto them vaporise efficiently on the broad fracture surface
  • The split-face stones are easy to stack and enable good air circulation
  • Excellent resistance to heat fluctuations and thermal conductivity. Good stone gravity and heat storage capacity.
  • Color and stone species: Dark grey vulcanite
  • Stone size 10-15 cm and box weight 20 kg
  • Does not contain harmful ingredients
  • Check the right stone size for your heater from the heater manual
Harvia Vulcanite sauna heater stones

Harvia sauna heater stones

The best steam and appearance for your heater

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