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HUUM Replacement Stones
HUUM Replacement Stones

24 HUUM Replacement Stones – Small are purpose-selected sauna heater stones for maintaining the performance and appearance of your HUUM unit. Made from rounded olivine diabase, they tolerate repeated exposure to intense temperatures while storing and releasing heat gradually for smooth, consistent löyly. The smaller 2″–4″ (5–10 cm) size lets you pack the heater basket tightly, helping to minimize gaps and promote even airflow through the stone cavity. This, in turn, supports more controlled steam when you ladle water over the surface. Their rounded contours echo HUUM’s signature design language, giving the heater a natural, sculpted look that suits both modern and traditional sauna interiors. Ideal as a refresh set when your original stones have fractured or glazed, 24 HUUM Replacement Stones – Small provide reliable heat retention and a gentle, enveloping sauna climate.

  • Heat-storing olivine diabase – Crafted from dense olivine diabase that tolerates repeated high-temperature cycles, these stones store and release heat gradually, creating a smoother, more stable löyly rather than short, harsh bursts of steam.
  • Gentle, controlled steam – Rounded surfaces and high heat capacity support softer steam when you ladle water, helping you fine-tune humidity and temperature for a more comfortable, enveloping sauna climate that suits extended, relaxing sessions.
  • Optimized small stone sizing – Sized roughly 2″–4″, the stones can be packed tightly with minimal gaps, promoting even airflow through the heater basket and more uniform heat distribution from top to bottom of the HUUM unit.
  • Durable, fracture-resistant set – Selected for structural integrity, the stones resist cracking and glazing under repeated heating and cooling, helping maintain efficient heater performance and reducing the frequency of stone replacement over time.
  • Tailored for HUUM heaters – The rounded, sculpted shapes complement HUUM’s open-basket design language, preserving the heater’s distinctive aesthetic while delivering the consistent thermal performance the heater’s engineering requires.
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24 Replacement Stones – Small (2-4 in) | HUUM

by HUUM
SKU: HUU-H3099021
$80.00
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24 HUUM Replacement Stones – Small are purpose-selected sauna heater stones for maintaining the performance and appearance of your HUUM unit. Made from rounded olivine diabase, they tolerate repeated exposure to intense temperatures while storing and releasing heat gradually for smooth, consistent löyly. The smaller 2″–4″ (5–10 cm) size lets you pack the heater basket tightly, helping to minimize gaps and promote even airflow through the stone cavity. This, in turn, supports more controlled steam when you ladle water over the surface. Their rounded contours echo HUUM’s signature design language, giving the heater a natural, sculpted look that suits both modern and traditional sauna interiors. Ideal as a refresh set when your original stones have fractured or glazed, 24 HUUM Replacement Stones – Small provide reliable heat retention and a gentle, enveloping sauna climate.

  • Heat-storing olivine diabase – Crafted from dense olivine diabase that tolerates repeated high-temperature cycles, these stones store and release heat gradually, creating a smoother, more stable löyly rather than short, harsh bursts of steam.
  • Gentle, controlled steam – Rounded surfaces and high heat capacity support softer steam when you ladle water, helping you fine-tune humidity and temperature for a more comfortable, enveloping sauna climate that suits extended, relaxing sessions.
  • Optimized small stone sizing – Sized roughly 2″–4″, the stones can be packed tightly with minimal gaps, promoting even airflow through the heater basket and more uniform heat distribution from top to bottom of the HUUM unit.
  • Durable, fracture-resistant set – Selected for structural integrity, the stones resist cracking and glazing under repeated heating and cooling, helping maintain efficient heater performance and reducing the frequency of stone replacement over time.
  • Tailored for HUUM heaters – The rounded, sculpted shapes complement HUUM’s open-basket design language, preserving the heater’s distinctive aesthetic while delivering the consistent thermal performance the heater’s engineering requires.
Video poster Play video 1
Open product video in larger window