HUUM Hive Flow Mini Wood-Burning Heater w/ Firebox Extension
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The HUUM Hive Flow Mini with Firebox Extension combines authentic wood-fired heat with the convenience of exterior loading. Built in Estonia from durable stainless steel, this compact heater is perfect for smaller saunas up to 353 cu ft. The firebox extension allows you to load logs from an adjacent room, keeping your sauna clean while maintaining steady, radiant warmth. Its open cylindrical body ensures optimal airflow and the soft, gentle steam that defines true Finnish sauna tradition.
Features
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Compact wood-burning heater with exterior loading.
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Heats sauna rooms up to 353 cu ft (10 m³).
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231 lb (105 kg) stone capacity for deep, lasting heat.
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Load wood from an adjoining room with the firebox extension.
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Stainless-steel firebox and body resist heat and corrosion.
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Open vertical design for smooth, natural air circulation.
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Operates without electricity.
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Handcrafted in Estonia and CE-certified for safety and performance.
Specifications
| Category | Details |
|---|---|
| Delivery & Capacity | Curbside delivery via freight carrier Heats up to 353 cu ft (10 m³) |
| Heating System | Wood-burning firebox with exterior loading (no electrical connection) |
| Construction & Materials | Marine-grade stainless steel body Extended firebox for exterior access Vertical open stone chamber (231 lb capacity) |
| Chimney Connection | 4.5″ (115 mm) flue outlet |
| Dimensions & Weight | 17.7″ W × 26.5″ D × 34.8″ H Weight: 130 lb (59 kg) |
| Certifications | CE-certified |
| Origin | Made in Estonia |
Installation
Install on a non-combustible base with clearances outlined in the HUUM installation manual. The exterior firebox door must be installed through an approved wall opening with proper thermal protection. Connect to a certified chimney system designed for wood-burning sauna stoves. Installation and venting should always be performed by a qualified professional. Use HUUM sauna stones for best results.
What’s Included
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HUUM Hive Flow Mini wood-burning heater with firebox extension
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Ash pan and flue collar
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Installation and operation manual
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Manufacturer warranty
(Sauna stones and chimney components sold separately.)
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