The HUUM HIVE 18STUX sauna heater package features all the necessities that will give your sauna space a touch of modern elegance. Precision-engineered and crafted in Estonia for a true European sauna experience.

HIVE 18.0kW Sauna Heater
- Elegant design
- Suitable for commercial use
- 240V/1PH operation
- For sauna rooms from 636 to 1236 cu. ft.
- Works with UKU controls
- Works with UKU extension box
- Large 528 pound stone capacity
- Direct contact between stones and heating elements
- More exposed stones create a longer and milder heat
- Stainless steel construction
- Stainless steel, industrial quality heating elements
- Floor model with adjustable legs
- Air tunnel shortens heat-up time and increases life of heating elements
- Designed, engineered, and made in Estonia
- Dimensions: 22"Diameter (560mm) x 29.5"H (750mm)
- SGS listed
- Limited 5-year warranty (excluding elements)
UKU Control
- Sleek black control display panel
- Multiple color options available (additional charges apply)
- Settable on/off, time, temperature, and delay
- Settable temperature range of 104-230°F
- Delayed start up to 48hrs in advance
- Optional built-in Wi-Fi interface for HUUM mobile app (additional charges apply)
- 8 language options: English, German, Russian, Italian, Finnish, Estonian, Polish and French
- Inside/outside sauna room installation
- Optional smart heating setting
- Available decorative control display panels
- Displays set temperature and room temperature
- Temperature sensor
- Door sensor to keep the heat inside the room
- Remotely located main control module
- Connects to lights and ventilation
- Overheat protection
- Child safety lock
- Control Console Dimensions: 2.2"W (55mm) x 0.9"D (22mm) x 4.1"H (105mm)
- Main Control Module Dimensions: 3.5"W (90mm) x 2.3"D (58mm) x 5.6"H (142mm)
- Limited 5-year warranty
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)
HIVE 18STUX Pkg
HIVE 18
- 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
- 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
- Voltage: 240
- Circuit Breaker Amperage: 2 x 63
- Weight: 3.25 lbs
- Width: 7" (178mm)
- Depth: 4" (101mm)
- Height: 10" (254mm)
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 Olivine Sauna Stones
- Safety railing for HIVE heaters helps to protect you from accidentally touching against the hot heater. Beautiful light-colored wooden arcs complement the design of the heater.
- The Air Tunnel has been a HIVE option that speeds up heating by 25%, enhances air circulation, and increases the lifespan of the heating elements. This stainless-steel housing is installed in the center of the heater and will reduce stone capacity by an estimated 2 boxes.
- Current ETA: 1-2 weeks. Shipping lead time is subject to change.
- Flat rate shipping included within the contiguous United States.
- The weight or packaging of this product requires delivery by special appointment, and on a wooden pallet.
- The driver is responsible for curbside delivery only and will lower the items to ground level.
- Prior to shipping this product, we’ll contact the customer to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses.
**If you’re in Canada, please reach out for a shipping quote.
HIVE Manual
HIVE Air Tunnel Manual
UKU Controller Manual
UKU Install Diagram
Stone Requirements