HUUM Hive Flow Wood-Burning Heater w/ Firebox Extension
- ✔︎ Shipping Included ($300 Value)
- ✔︎ No Sales Tax ⓘ
- ✔︎ Price Match Guarantee ⓘ
- ✔︎ Lifetime Support — 659-234-4414
- ✔︎ Made in the USA — Ships in 1–2 weeks
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Enjoy authentic wood-fired heat with the convenience of exterior loading. The HUUM Hive Flow with Firebox Extension lets you load logs from an adjacent room while the sauna stays clean and serene. Handcrafted in Estonia from marine-grade stainless steel, its tall cylinder surrounds a deep stone bed for soft, even steam in rooms up to 635 cu ft.
Features
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Exterior-loading firebox keeps the sauna clean and safe
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Heats sauna rooms up to 635 cu ft (18 m³)
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330 lb (150 kg) stone capacity for deep, steady warmth
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Open cylindrical stainless body promotes natural airflow
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Traditional wood heat — no electricity required
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Durable stainless firebox and door assembly
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Handcrafted in Estonia • CE-certified
Specifications
| Category | Details |
|---|---|
| Delivery & Capacity | Curbside delivery via freight carrier • Heats up to 635 cu ft (18 m³) |
| Heating System | Wood-burning firebox with exterior loading (no electrical connection) |
| Construction & Materials | Marine-grade stainless steel body • Extended firebox for through-wall loading • Open stone chamber (330 lb capacity) |
| Chimney Connection | 4.5″ (115 mm) flue outlet |
| Dimensions & Weight | 20.7″ W × 29.5″ D × 34.8″ H • Weight: 161 lb (73 kg) |
| Certifications | CE-certified |
| Origin | Made in Estonia |
Installation
Install on a non-combustible base and maintain clearances per the HUUM manual. The exterior firebox opening must meet local code with proper wall protection. Connect to a certified chimney system sized for wood sauna stoves. All venting and combustion-air work should be performed by a qualified professional. Use HUUM sauna stones for best heat retention and steam quality.
What’s Included
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HUUM Hive Flow wood-burning heater with Firebox Extension
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Ash pan and flue collar
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Installation & operation manual
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Manufacturer warranty
(Sauna stones and chimney components sold separately.)
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