HUUM UKU Extension Box – For High-Capacity Sauna Heaters recovery or sleep — without feeling

or sleep — without feeling bulky or stiff

The full glass front adds openness while maintaining a warm interior atmosphere

enhancing your training space management

The combination of robust materials and thoughtful design makes this model a strong option for those seeking a premium home sauna experience with contemporary appeal

HUUM UKU Extension Box – For High-Capacity Sauna Heaters recovery or sleep — without feelingHUUM UKU Extension Box For High Capacity Sauna Heaters is a sauna accessory engineered to support sauna systems with heaters over 12 kW. It addresses the needs of homeowners and commercial spaces requiring enhanced power management for larger sauna installations, maintaining safe and efficient operation. This extension box fits seamlessly in settings demanding reliable sauna heating controls that accommodate greater electrical loads. The extension box