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HUUM Replacement Stones
HUUM Replacement Stones

HUUM Replacement Stones 12– Extra Small are precision-selected sauna heater stones designed to fine-tune both the performance and appearance of HUUM heaters. Made from rounded olivine diabase and sized between 1″ and 2″ (3–5 cm), these extra small stones pack tightly around heating elements, promoting even heat distribution and stable, gentle steam. Their compact size helps fill gaps in the stone cavity, improving airflow control and minimizing cold spots while still responding quickly when you throw water for löyly. The naturally rounded form echoes HUUM’s organic design language, giving the heater a smooth, sculpted look that enhances modern glass- and steel-fronted saunas. Durable enough to withstand rapid temperature changes and frequent use, HUUM Replacement Stones 12– Extra Small are ideal for refreshing your heater and creating a milder, more refined sauna climate.

  • Milder, refined steam – Extra small rounded olivine diabase stones store and release heat gently, creating softer, more even löyly instead of sharp bursts, ideal for users who prefer a smoother, more relaxing sauna climate.
  • Precision extra-small sizing – Sized about 1″–2″ (3–5 cm), these stones pack tightly around HUUM heating elements, filling gaps to support uniform heat distribution, better airflow control, and fewer cold spots inside the heater basket.
  • Durable high-heat performance – Crafted from robust olivine diabase, the stones tolerate rapid temperature changes and frequent firing without fracturing, helping protect heater elements and reduce how often the rock bed needs replacement.
  • Optimized top-layer layout – Designed to be laid closer together on the upper layers, the compact stones accumulate heat efficiently and minimize visible gaps, improving steam response and giving the heater a dense, professional finish.
  • Tailored HUUM aesthetics – Naturally rounded forms echo HUUM’s organic, open-basket design language, giving glass- and steel-fronted saunas a smooth, sculpted look while maintaining the precise thermal behavior the heater was engineered to deliver.
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Replacement Stones 12– Extra Small (1-2 in, 33 lbs) | HUUM

by HUUM
SKU: HUU-H3099011
$80.00
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HUUM Replacement Stones 12– Extra Small are precision-selected sauna heater stones designed to fine-tune both the performance and appearance of HUUM heaters. Made from rounded olivine diabase and sized between 1″ and 2″ (3–5 cm), these extra small stones pack tightly around heating elements, promoting even heat distribution and stable, gentle steam. Their compact size helps fill gaps in the stone cavity, improving airflow control and minimizing cold spots while still responding quickly when you throw water for löyly. The naturally rounded form echoes HUUM’s organic design language, giving the heater a smooth, sculpted look that enhances modern glass- and steel-fronted saunas. Durable enough to withstand rapid temperature changes and frequent use, HUUM Replacement Stones 12– Extra Small are ideal for refreshing your heater and creating a milder, more refined sauna climate.

  • Milder, refined steam – Extra small rounded olivine diabase stones store and release heat gently, creating softer, more even löyly instead of sharp bursts, ideal for users who prefer a smoother, more relaxing sauna climate.
  • Precision extra-small sizing – Sized about 1″–2″ (3–5 cm), these stones pack tightly around HUUM heating elements, filling gaps to support uniform heat distribution, better airflow control, and fewer cold spots inside the heater basket.
  • Durable high-heat performance – Crafted from robust olivine diabase, the stones tolerate rapid temperature changes and frequent firing without fracturing, helping protect heater elements and reduce how often the rock bed needs replacement.
  • Optimized top-layer layout – Designed to be laid closer together on the upper layers, the compact stones accumulate heat efficiently and minimize visible gaps, improving steam response and giving the heater a dense, professional finish.
  • Tailored HUUM aesthetics – Naturally rounded forms echo HUUM’s organic, open-basket design language, giving glass- and steel-fronted saunas a smooth, sculpted look while maintaining the precise thermal behavior the heater was engineered to deliver.
Video poster Play video 1
Open product video in larger window