Harvia Vulcanite Sauna Stones 10-15 cm, 20 kg

Harvia Vulcanite sauna stones are premium-grade volcanic rocks specifically selected for their exceptional thermal properties and durability in demanding sauna environments. Designed for use with both electric and wood-burning sauna heaters, these stones offer reliable heat storage and consistent steam generation. The 10-15 cm size range is engineered to allow for optimal airflow between the stones, which is essential for efficient heating and protecting the heating elements from overheating.

Advantages

The primary benefit of using Harvia Vulcanite stones is their high resistance to rapid temperature fluctuations, which prevents them from cracking or crumbling prematurely. Their robust composition ensures they maintain their structural integrity even under intense heat, providing a long service life. By facilitating proper air circulation within the heater, these stones contribute to a more even heat distribution throughout the sauna room, resulting in a more comfortable and consistent bathing experience.

Suitable for

• Electric sauna heaters
• Wood-burning sauna heaters
• Large-scale sauna stoves requiring larger stone sizes
• Residential and commercial sauna installations

When it may not be suitable

These stones are not suitable for small electric heaters that require smaller stone sizes, as the 10-15 cm diameter may be too large to fit properly in the stone compartment. Using stones that are too large for a specific heater model can obstruct airflow and potentially damage the heating elements.

Key specifications

• Material: Vulcanite
• Stone size: 10-15 cm
• Total weight: 20 kg
• Melting temperature: 1400 °C
• Compression resistance: 13.2 MPa
• Color: Black

How to use

Before placing the stones into the heater, it is recommended to wash them with water to remove any dust or debris from the manufacturing process. Arrange the stones in the heater compartment, ensuring they are placed loosely to allow air to circulate freely between them. Avoid wedging the stones tightly, as this can restrict airflow and cause the heater to overheat. Larger stones should be placed at the bottom, with smaller ones on top, while ensuring they do not press against the heating elements.

What to consider before purchase

• Check your heater manufacturer's manual for the recommended stone size.
• Ensure the total weight of the stones does not exceed the heater's maximum capacity.
• Verify that your heater model is compatible with stones of 10-15 cm diameter.

Usage recommendations

It is recommended to inspect and rearrange the sauna stones at least once a year, or more frequently if the sauna is used heavily. Remove any broken or crumbled stones and replace them with new ones to maintain optimal heating efficiency and steam quality.