






HUUM HIVE Series 18.0kW Sauna Heater Package
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HUUM HIVE 18STUX Sauna Heater Package – Power Meets Elegance for Large Sauna Spaces
Bring modern elegance and professional performance to your sauna with the HUUM HIVE 18STUX Package. This comprehensive set includes the HIVE 18kW electric sauna heater, the advanced UKU control system with optional Wi-Fi, the UKU extension box, and 528 lbs of natural sauna stones—ideal for large residential or commercial saunas up to 1,236 cubic feet.
Engineered in Estonia with precision and care, the HIVE 18 is known for its large stone capacity and ability to produce a soft, consistent heat. Its open structure allows for more exposed stones, resulting in longer-lasting warmth and a gentler, more luxurious steam experience. The robust stainless-steel construction and industrial-grade heating elements ensure durability in high-demand environments.
The included UKU control system allows full customization of your sauna experience, offering intuitive temperature, timer, and safety features. Optional Wi-Fi connectivity gives you remote access through the HUUM mobile app, while the UKU extension box enables integration for larger heaters like this model.
Package Includes:
HIVE 18.0kW Sauna Heater
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Elegant, modern design
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Built for residential or commercial use
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For sauna rooms from 636 to 1,236 cu. ft.
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240V, single-phase operation
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Compatible with UKU control system and extension box
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528 lb stone capacity for sustained, mild heat
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Direct heating element-to-stone contact
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Air tunnel system reduces heat-up time and extends element life
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Floor-mounted with adjustable legs
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Stainless steel frame and industrial-grade 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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HUUM 5-Year Limited Warranty (excluding elements)
UKU Control System
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Sleek digital control panel (black finish standard)
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Multiple decorative finishes available (extra cost)
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Fully programmable: on/off, temperature, delay, and timers
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Temperature range: 104°F to 230°F
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Delayed start (up to 48 hours)
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Optional Wi-Fi for mobile control via HUUM app
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Smart heating option available
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8 language options: EN, DE, RU, IT, FI, EE, PL, FR
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Can be installed inside or outside the sauna
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Displays current and set temperature
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Built-in safety features: overheat protection, child lock, door sensor
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Connects to sauna lighting and ventilation
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Dimensions:
– Control 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) -
HUUM 5-Year Limited Warranty
HUUM Stones 24
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528 lbs of natural olivine diabase stones
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Rounded shape for optimal heat distribution and airflow
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Durable and highly heat-retentive
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Stone sizes: 2"–4" (5–10 cm)
UKU Extension Box
- For use with UKU controls
- For heaters over 12kW
- Dimensions: 7"W (178mm) x 4"D (101mm) x 10"H (254mm)
- Limited 5-year warranty
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)
Includes
HIVE 18.0kW Sauna Heater
- 18.0kW 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 18STUX PKG |
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HIVE 18 | |
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Kilowatt Rating | 18.0kW |
Minimum Cubic Feet | 636 |
Maximum Cubic Feet | 1236 |
Heater Weight | 53.5 lbs |
Shipping Weight with Sauna Stones | 581.5 lbs |
240V, Single-Phase Amperage | 75 |
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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