
Description
Description
This is the spare main module for the UKU Local 4.2 control system, listed in the UKU 4.2 manual as replacement part SP0159. The main module is the switching unit of the UKU system: it connects the mains supply, heater, sensors and control panel, and operates electric sauna heaters up to 18 kW. It is supplied as the main module only, so the control panel, sensors and cables carry over from your existing system or are purchased separately. It suits UKU Local systems of the 4.2 generation; check your controller generation before ordering.
Features
Technical Specification
| Part | Spare main module for UKU Local, version 4.2 |
| Compatibility | UKU Local control systems, generation 4.2 |
| Maximum heater power | 18 kW (maximum 6 kW per heating circuit) |
| Electrical supply | 230 V 1N~ (heaters up to 12 kW) or 400 V 3N~ (heaters up to 18 kW) |
| Target temperature | 40–110 °C |
| Included | Main module only; control panel, sensors and cables not included |
| SKU | SP0159 |
Installation
Replacement must be carried out by a licensed electrician, with the power turned off at the circuit while work takes place. The main module is installed outside the sauna room wherever possible, fixed upright to the wall with the cable openings facing downwards, and all cables connected through its cable glands. The installation manual in the Downloads tab and local wiring regulations must be followed.
Brand
HUUM is an Estonian sauna brand that pairs age-old sauna knowledge with modern Nordic design. Its DROP heater won the Red Dot Award for Product Design in 2015.
Warranty
The warranty card is available in the Downloads tab.
Ordering note
Check your heater model, heater power and controller generation (UKU 4.1 or 4.2) before ordering. Electrical installation must be carried out by a certified electrician.
Downloads
Delivery & Returns
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.
Description
This is the spare main module for the UKU Local 4.2 control system, listed in the UKU 4.2 manual as replacement part SP0159. The main module is the switching unit of the UKU system: it connects the mains supply, heater, sensors and control panel, and operates electric sauna heaters up to 18 kW. It is supplied as the main module only, so the control panel, sensors and cables carry over from your existing system or are purchased separately. It suits UKU Local systems of the 4.2 generation; check your controller generation before ordering.
Features
| Part | Spare main module for UKU Local, version 4.2 |
| Compatibility | UKU Local control systems, generation 4.2 |
| Maximum heater power | 18 kW (maximum 6 kW per heating circuit) |
| Electrical supply | 230 V 1N~ (heaters up to 12 kW) or 400 V 3N~ (heaters up to 18 kW) |
| Target temperature | 40–110 °C |
| Included | Main module only; control panel, sensors and cables not included |
| SKU | SP0159 |
Installation
Replacement must be carried out by a licensed electrician, with the power turned off at the circuit while work takes place. The main module is installed outside the sauna room wherever possible, fixed upright to the wall with the cable openings facing downwards, and all cables connected through its cable glands. The installation manual in the Downloads tab and local wiring regulations must be followed.
Brand
HUUM is an Estonian sauna brand that pairs age-old sauna knowledge with modern Nordic design. Its DROP heater won the Red Dot Award for Product Design in 2015.
Warranty
The warranty card is available in the Downloads tab.
Ordering note
Check your heater model, heater power and controller generation (UKU 4.1 or 4.2) before ordering. Electrical installation must be carried out by a certified electrician.
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.









