Harvia Sauna Stones 20 kg – 10–15 cm

Harvia Sauna Stones 20 kg – 10–15 cm

Harvia AC3020 is a 20 kg box of angular olivine diabase sauna stones sized 10–15 cm. Their split faces create a broad surface for water to evaporate on, while the irregular shape supports airflow through a compatible heater’s stone compartment.

Key features

• Model: Harvia AC3020.
• Stone type: dark grey olivine diabase.
• Stone size: 10–15 cm.
• Box weight: 20 kg.
• Use: suitable for large electric heaters and wood-burning sauna heaters where this stone size is approved.
• Angular split faces: designed to store heat and support efficient steam generation.

Always check the heater manual for the correct stone size, stacking method and stone quantity before fitting. Re-stack or replace stones as needed in line with the heater manufacturer’s guidance.