HUUM UKU Wi-Fi Digital On/Off, Time, Temp Control with WiFi

UKU Wi-Fi sauna controller makes sauna heating very easy and comfortable. With UKU you can heat your sauna on the spot or do it from your phone through HUUM mobile app. In order to use the mobile app solution, UKU needs to be connected to a Wi-Fi network. UKU comes with several safety and extra features for a pleasant sauna experience.

• Sleek black control display panel

• For heaters up to 18kW (over 11kW requires extension box)

• Settable on/off, time, temperature, and delay

• Settable temperature range of 122-230F

• Delayed start up to 48hrs in advance

• Built-in Wi-Fi interface for HUUM mobile app

• 6 Language options: English, German, Russian, Italian, Finnish, and Estonian

• Unlimited number of users

• Notification when set temperature is reached

• Inside/outside sauna room installation (For outdoor installations, control must be placed in an enclosed weatherproof box)

• 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

• Limited 3-year residential warranty and limited 1-year commercial warranty

• Black control display panel, 4.13" x 2.17" x 0.87"

• Main control module, 5.59" x 3.54" x 2.28"

• Temperature sensor

• Door sensor

• Control display panel cable, 9.84', 22AWG

• Temperature sensor cable, 16.4', 24AWG

• Door sensor cable, 16.4', 24AWG

• Installation and operation manual

• 3-Year Limited Residential Warranty and 1-Year Limited Commercial Warranty

• Model: UKU Wi‑Fi (UKU 4.1 Wi‑Fi)

• Product type: Digital sauna heater control with built‑in Wi‑Fi

• Compatible heaters: HUUM electric sauna heaters

• Maximum heater power: Up to 11 kW (up to 18 kW with UKU Extension Box)

• Temperature range: 104–230 °F (40–110 °C)

• Power supply: 240 V, 2‑phase, up to 40 A

• Heating time options: 3, 6, 12, or 18 hours

• Delay start: Up to 48 hours in advance

• Control functions: On/off, time, temperature, delayed start, lighting, and ventilation/steamer

• Connectivity: Built‑in Wi‑Fi; remote control via HUUM mobile app (iOS/Android)

• Notifications: App notifies when set temperature is reached

• Safety features: Overheat protection, door sensor, child safety lock

• Installation: Wall‑mounted control panel; can be installed inside or outside sauna room (dry area)

• Control panel dimensions (W x D x H): approx. 2.16" x 0.86" x 4.13" (55 x 22 x 105 mm)

• Main control module dimensions (W x D x H): approx. 3.54" x 2.28" x 5.6" (90 x 58 x 142 mm)

• Panel finishes: Classic plastic panel; optional decorative panels (Black, Blue, Sand, White, Wood, etc.)

• Included components: Control display panel, main control module, temperature sensor, door sensor, panel cable, sensor cables, installation & operation manual

• Certifications: CE, SGS, IPX4 (splash protection)