9.8 kW Wood-Burning Stove: Designed for sauna rooms from 282 to 635 cubic feet.

Firebox Extension: Extended firebox configuration provides additional flexibility when planning the sauna and stove installation.

330 lb Stone Capacity: Large stone volume provides substantial thermal mass for a traditional wood-fired sauna experience.

High Heat Transfer: HUUM states that the furnace construction transfers 75% of the heat generated by the firewood directly into the sauna.

Efficient Wood Use: Furnace construction is designed to make effective use of firewood while transferring heat into the sauna.

Patent-Pending Furnace Construction: Features HUUM's innovative HIVE Flow combustion design.

16 in Maximum Firewood Length: Accommodates firewood up to 16 in (40 cm) long.

Top and Rear Flue Connections: Provides two chimney connection locations for greater installation flexibility.

BImSchV and CPR Certified: Manufacturer lists BImSchV and CPR certification for the stove.

No Electrical Heating System: Operates using wood as its primary fuel rather than electric heating elements.

Made in Estonia: Designed, engineered, and manufactured in Estonia.

Model: HIVE FLOW LS

Product Type: Wood-Burning Sauna Stove with Firebox Extension

Series: HIVE Flow

Heating Power: 9.8 kW

Sauna Room Size: 282–635 cu. ft.

Primary Fuel: Wood

Firebox Extension: Yes

Maximum Firewood Length: 16 in (40 cm)

Minimum Room Height: 75 in (191 cm)

Flue Connection Location: Top and Back

Stone Capacity: 330 lb

Required Stone Quantity: 10 Boxes, Sold Separately

Safety Distance – Front to Back: See Installation and Operation Manual

Safety Distance – Left to Right: See Installation and Operation Manual

Heater Weight: 161 lb (73 kg)

Shipping Weight with Sauna Stones: 491 lb (223 kg)

Country of Manufacture: Estonia

Certifications: BImSchV and CPR

Residential Warranty: 3-Year Limited Warranty

Commercial Warranty: 1-Year Limited Warranty

Included

• HUUM HIVE Flow LS Sauna Stove
• Metal Grate
• Heat-Resistant Glove
• Splints
• 2 Metal Fixing Plates
• Ash Grate
• 2 Cleaning Hatches
• Ash Drawer
• Installation and Operation Manual
• 3-Year Limited Residential Warranty
• 1-Year Limited Commercial Warranty

Required sauna stones are not included. The stove requires 330 lb of compatible sauna stones (10 boxes), sold separately. Additional installation components may be required according to the selected installation configuration.

Width: 20.7 in (53 cm)

Depth: 29.5 in (75 cm)

Height: 34.8 in (88 cm)

Overall Dimensions: 20.7 × 29.5 × 34.8 in (W × D × H)

Heater Weight: 161 lb (73 kg)

Stone Capacity: 330 lb

Shipping Weight with Sauna Stones: 491 lb (223 kg)

Minimum Room Height: 75 in (191 cm)

Maximum Firewood Length: 16 in (40 cm)

Shipment: This sauna heater system ships via scheduled freight delivery. The shipment arrives secured on a wooden pallet and protected with three-ply cardboard packaging.

Delivery: A delivery appointment is required. The freight carrier provides delivery service only, with limited assistance available at the delivery location.

Delivery Requirements: Prior to shipment, we may contact you to confirm delivery details and identify any access restrictions or special handling requirements that may affect delivery.

Shipping Rate: Shipping costs are determined based on the delivery location. Special delivery requirements may result in additional charges.

Accessory Freight: Eligible sauna accessories may be consolidated with the heater shipment to help minimize separate freight charges.

HUUM-HIVE-Flow-Sauna-Stove-IOM.pdf