
Description
About the HUUM UKU Wi-Fi
The UKU Wi-Fi remote sauna control unit makes sauna heating very easy and comfortable. With UKU GB you can heat your sauna on the spot or do it from your phone through mobile app. In order to use the mobile app solution, UKU GB needs to be connected to a Wi-Fi network.
- For heaters up to 18 kW
- Remote control via mobile app; Android / iOS
- Connectable to lights
- Unlimited users
- Door magnet
- Overheating protection
- Timer
- Child safety lock
Further features:
Temperatures: 40-110 ºC
For heaters up to: 18 kW
Supply voltage: 400 V 3N; 230 V 1N
Heating period: 3h; 6h; 12h; 18h
- Control console (105 x 55 x 22 mm)
- Control console cable (3 m; 4 x 0,34 mm²)
- Main module (142 x 90 x 58 mm)
- Temperature sensor
- Temperature/door sensor cable (5 + 5m; 2 x 0,22 mm²)
When purchasing UKU Wi-Fi, the app is free. If you want to change your UKU Local to UKU Wi-Fi, the conversion to app control is chargeable – 180 EUR (approx. £156.52 GBP) (one-time payment).
About HUUM
HUUM is the leading manufacturer when it comes to unique designs and technology. HUUM has been awarded for their innovative and stylish sauna products. In 2015, the DROP sauna heater won the Red Dot Award for Product Design. The inspiration for the HUUM products come from nature. Combined with age-old sauna knowledge, smart technology and modern Nordic design, the HUUM heaters are a stylish and robust choice for any sauna. The amount of stones in HUUM heaters are optimized for the perfect, soft steam experience. The innovative HUUM heaters are easy to use and have all been UK CA- certified.
If you want to learn more about our HUUM heaters and explore more options, click on the following link: Our HUUM sauna heater collection.
HUUM Cable Specification
|
Power input to UKU Main Module |
Power output between UKU and Huum Heater |
|||
|
SWA (steel wire armoured) |
SWA |
SiHF-J |
SiHF-J |
|
|
Single Phase 230v |
Three Phase 400v |
Single Phase 230v |
Three Phase 400v |
|
|
Power (kW) |
mm2 |
mm2 |
mm2 |
mm2 |
|
3.5 |
3 x 2.5 |
- |
3 x 2.5 |
- |
|
4.5 |
3 x 4 |
5 x 1.5 |
7 x 1.5 |
5 x 1.5 |
|
6 |
3 x 6 |
5 x 1.5 |
7 x 2.5 |
5 x 1.5 |
|
9 |
3 x 10 |
5 x 2.5 |
7 x 2.5 |
5 x 2.5 |
|
10.5 |
3 x 10 |
5 x 2.5 |
7 x 2.5 |
5 x 2.5 |
|
12 |
- |
5 x 4 |
- |
5 x 4 |
|
15 |
- |
5 x 4 |
- |
5 x 4 |
|
18 |
- |
5 x 6 |
- |
5 x 6 |
Installation
Downloads
Warranty
Delivery & Returns
Christmas and New Year's Delivery Notice
Please note the following changes to our pallet shipping and DPD delivery service on parcel orders over the Christmas period.
Our warehouse is fully closed for operation over the following days: Wednesday 24 December, Thursday 25 December, Friday 26 December, Wednesday 31 December and Thursday 1 January.
Orders requiring a pallet
The last dispatch date for orders requiring a pallet is Friday 19th December 2025. Pallet orders dispatched on this day must be booked and signed for with one of our sales team representatives latest by close of business on Friday 19th December 2025.
Please note:
- Pallets dispatched on 19th December will be delivered on either 22nd or 23rd December, depending on your postcode
- We strongly advise against booking deliveries to the Highlands or Channel Islands close to the 19th December, as these may be held at the hub over the festive period
- There may be limited availability for pallet shipping on this day and we cannot guarantee that available slots remain
We will commence our regular pallet shipping service on Monday 5th January 2026.
If you have any questions about your pallet order, please get in touch with our Sales team: +44 (0) 20 8050 2895 or email info@finnmarksauna.com
Small Parcel Orders
DPD will deliver as normal up to and including Tuesday 23rd December 2025. Orders for next day delivery must be placed latest by 3pm.
Limited dispatch service: We will dispatch DPD orders on Monday 29th December and Tuesday 30th December only during the festive closure period.
We will commence our regular delivery service on Monday 5th January 2026.
*Estimated delivery times are applicable to the UK mainland only (excludes Highlands and Islands). Additional delays and charges will be required for Non-UK Mainland and Highlands and Islands deliveries.





