The HUUM HIVE Flow LS 9.8kW Wood-Burning Sauna Stove Package with Thru-Ceiling Chimney Kit comes complete with the HIVE Flow LS 9.8kW sauna stove, thru-ceiling chimney kit, protective bed, and sauna stones. This stove package brings the timeless tradition of wood-burning heat in sauna rooms from 282 to 635 cubic feet.

Built from durable steel with a 5 mm top and 3 mm sides, the HIVE Flow LS ensures even heat distribution and long-lasting durability. Despite its smaller size, it accommodates up to 330 lb (150 kg) of stones—and an optional stone cage allows for an additional 77–88 lb (35–40 kg), extending the heat retention period for comfortable, consistent steam.

The stove’s rounded form and glass furnace door create a natural focal point, offering both visual appeal and functional efficiency. Designed and manufactured in Estonia, the HIVE Flow LS reflects HUUM’s commitment to thoughtful engineering and modern craftsmanship.

Features

HIVE Flow LS Sauna Stove

• Wood-burning sauna stove for compact to mid-sized rooms (282–635 cu. ft.)
• Firebox extension
• Distinctive round design with visible stone layout
• Efficient fuel consumption for consistent heat performance
• Mild, extended steam for a traditional sauna experience
• Patent-pending furnace construction for optimized airflow
• BImSchV and CPR for compliance
• Durable stainless-steel structure for longevity
• 330 lb stone capacity
• 3-year residential and 1-year commercial warranty (excluding elements)
• Designed, engineered, and made in Estonia

Chimney Kit

• Designed for through-ceiling installations
• Vertical mounting configuration
• Optional T600 cooling insulation for added safety
• Suitable for compact and standard sauna layouts
• Durable stainless-steel construction
  
• Designed, engineered, and made in Estonia

Protective Bed

• Protects the floor and piping underneath
• Ideal for floors with water-based underfloor heating systems
• Designed, engineered, and made in Estonia
• Supports up to 661 lb

Sauna Stones 24

• Olivine diabase sauna stones
• Rounded shape to complement heater design
• Durable with high-heat capacity
• Stones range from 2" to 4" (5–10 cm)

Specifications

Sauna Stove

Thru-Ceiling Chimney Kit

What's Included 

• HIVE Flow LS Sauna Stove
• 330 lb of 2" to 4" (5–10 cm) Round Sauna Stones (10 boxes)
• Protective Bed
• Thru-Ceiling Chimney Kit
  • Single-Wall Pipe
  • Welded Chimney Base
  • Double-Wall Chimney
  • Inclined Ceiling Cover Plates (2 Parts)
  • Partition Ceiling Insulation with Cooling T600 (Optional)
  • Roof Rafter Attachment to the Chimney
  • Double-Wall Straight Pipe
  • Roof Underlay Seal
  • Ventilated Roof Flashing
  • Rain Collar
  • Chimney Cap
• Installation and Operation Manual

Manuals & Resources