






HUUM HIVE Series 15.0kW Sauna Heater Package
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HUUM HIVE 15STUX Sauna Heater Package – Powerful Performance, Modern Elegance
Elevate your sauna space with the HUUM HIVE 15STUX Package—an all-in-one solution that blends modern aesthetics with commercial-grade performance. This premium package includes the HIVE 15kW electric sauna heater, UKU digital control (with optional Wi-Fi), UKU extension box, and 528 lbs of natural olivine diabase sauna stones. Perfectly suited for sauna rooms between 530 and 1,060 cubic feet.
Engineered and handcrafted in Estonia, the HIVE 15kW is known for its sleek design, high-capacity stone chamber, and ability to deliver long-lasting, soft heat. Its open-concept structure allows more direct stone exposure for smoother steam and extended warmth. Built from durable stainless steel and industrial-quality elements, it’s ideal for both residential and commercial use.
The UKU control system provides advanced functionality, including temperature scheduling, delayed start, and optional mobile app integration. The included UKU extension box enables safe operation with higher-output heaters like the HIVE 15kW.
Package Includes:
HIVE 15.0kW Sauna Heater
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For sauna rooms from 530 to 1,060 cu. ft.
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Elegant, floor-mounted design with adjustable legs
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240V, single-phase operation
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528 lb stone capacity for mild, consistent heat
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Exposed stones for rich steam and longer heat retention
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Direct contact between stones and heating elements
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Air tunnel technology shortens heat-up time and extends element lifespan
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Stainless steel frame with industrial-grade heating elements
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SGS listed for quality and safety
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Dimensions: 22" Diameter (560mm) x 29.5" H (750mm)
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Precision-engineered in Estonia
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HUUM 5-Year Limited Warranty (excluding elements)
UKU Control System
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Sleek digital display (black standard; color upgrades available)
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Set and monitor on/off, temperature, and delay start (up to 48 hours)
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Temperature range: 104°F to 230°F
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Optional Wi-Fi for remote control via HUUM mobile app
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Smart heating features available
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8 language options: EN, DE, RU, IT, FI, EE, PL, FR
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Installs inside or outside sauna room
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Displays both current and target temperature
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Built-in safety: overheat protection, child lock, door sensor
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Connects to sauna lighting and ventilation
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Dimensions:
– Console: 2.2” W x 0.9” D x 4.1” H (55 x 22 x 105 mm)
– Main Module: 3.5” W x 2.3” D x 5.6” H (90 x 58 x 142 mm) -
5-Year Limited Warranty
UKU Extension Box
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Required for sauna heaters over 12kW
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Enables full UKU control compatibility
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Dimensions: 7" W x 4" D x 10" H (178 x 101 x 254 mm)
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5-Year Limited Warranty
HUUM Stones 24
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528 lbs of natural olivine diabase sauna stones
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Rounded stones for improved airflow and visual harmony
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Durable, high heat-retention composition
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Stone sizes: 2"–4" (5–10 cm)
Includes
HIVE 15.0kW Sauna Heater
- 15.0kW Sauna Heater
- Adjustable Legs
- Pre-Installed HIVE Air Tunnel
- Installation and Operation Manual
- 5-Year Limited Warranty (Excluding Elements)
UKU Control
- Black Control Console
- Main Control Module
- Temperature Sensor
- Door Sensor
- Control Display Panel Cable
- Temperature Sensor Cable
- Door Sensor Cable
- Installation and Operation Manual
- 5-Year Limited Warranty
UKU Extension Box
- Extension Box
- Installation and Operation Manual
- 5-Year Limited Warranty
Stones 24
- 528 lbs of 2" - 4" (5-10 cm) Round Sauna Stones
Specifications
Model | HIVE 15STUX PKG |
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HIVE 15 | |
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Kilowatt Rating | 15.0kW |
Minimum Cubic Feet | 530 |
Maximum Cubic Feet | 1060 |
Heater Weight | 51.3 lbs |
Shipping Weight with Sauna Stones | 579.3 lbs |
240V, Single-Phase Amperage | 62.5 |
Circuit Breaker | 50 + 50 |
Wire Size AWG | 8 + 8 |
Diameter | 22" (560mm) |
Height | 29.5" (750mm) |
UKU Control | |
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Minimum Temperature Setting | 104°F |
Maximum Temperature Setting | 230°F |
Shipping Weight | 20 lbs |
Console Dimensions | |
Width | 2.2" (55mm) |
Depth | 0.9" (22mm) |
Height | 4.1" (105mm) |
Main Module Dimensions | |
Width | 3.5" (90mm) |
Depth | 2.3" (58mm) |
Height | 5.6" (142mm) |
Display Panel Cable | |
Length | 9.8 ft |
AWG | 22 |
Temp Sensor Cable | |
Length | 16.4 ft |
AWG | 24 |
Door Sensor Cable | |
Length | 16.4 ft |
AWG | 24 |
UKU Ext Box | |
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Voltage | 240 |
Circuit Breaker Amperage | 2 x 63 |
Weight | 3.25 lbs |
Width | 7" (178mm) |
Depth | 4" (101mm) |
Height | 10" (254mm) |
Shipping
For more information, feel free to contact us at: contact@radiantdollhealth.com
Manual
HUUM HIVE Sauna Heater IOM.pdf
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